sqlserver
stringlengths 59
30k
| plsql
stringlengths 54
4.67k
|
|---|---|
sql
DECLARE
@v_cursor SYS_REFCURSOR;
BEGIN
SELECT * FROM tablename;
FETCH v_cursor INTO @v_row;
WHILE @v_cursor%FOUND BEGIN
IF @@FETCH_STATUS = 0 BEGIN
RAISE NO_DATA_FOUND;
END
DBMS_OUTPUT.PUT_LINE('Row value: ' + isnull(v_row.column_name, ''));
FETCH v_cursor INTO @v_row;
END;
CLOSE v_cursor;
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No data found in the table.');
END
END;
| sql
DECLARE
v_cursor SYS_REFCURSOR;
BEGIN
OPEN v_cursor FOR SELECT * FROM tablename;
FETCH v_cursor INTO v_row;
WHILE v_cursor%FOUND LOOP
IF v_cursor%NOTFOUND THEN
RAISE NO_DATA_FOUND;
END IF;
DBMS_OUTPUT.PUT_LINE('Row value: ' || v_row.column_name);
FETCH v_cursor INTO v_row;
END LOOP;
CLOSE v_cursor;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No data found in the table.');
END;
|
DECLARE
@v_emp_id FLOAT;
BEGIN
SELECT @v_emp_id = emp_id
FROM employees
WHERE last_name = 'Scott';
IF @v_emp_id IS NOT NULL BEGIN
DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(@v_emp_id, ''));
END
ELSE BEGIN
RAISERROR('-20001 Employee not found', 16, 1);
END
END;
|
DECLARE
v_emp_id NUMBER;
BEGIN
SELECT emp_id
INTO v_emp_id
FROM employees
WHERE last_name = 'Scott';
IF v_emp_id IS NOT NULL THEN
DBMS_OUTPUT.PUT_LINE('Employee ID: ' || v_emp_id);
ELSE
RAISE_APPLICATION_ERROR(-20001, 'Employee not found');
END IF;
END;
|
DECLARE
@empno FLOAT := 10;
ename dbo.VARCHAR2(20);
BEGIN
SELECT @ename = ename FROM emp WHERE @empno = @empno;
DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(ename, ''));
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('Employee not found.');
END
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred.');
END;
|
DECLARE
empno NUMBER := 10;
ename VARCHAR2(20);
BEGIN
SELECT ename INTO ename FROM emp WHERE empno = empno;
DBMS_OUTPUT.PUT_LINE('Employee Name: ' || ename);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('Employee not found.');
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred.');
END;
|
DECLARE
@emp_id FLOAT;
emp_name dbo.VARCHAR2(20);
BEGIN
SELECT @emp_id = employee_id, @emp_name = isnull(first_name, '') + ' ' + isnull(last_name, '')
FROM employees
WHERE employee_id = 100;
IF @emp_id IS NULL BEGIN
RAISERROR('-20001 Employee not found', 16, 1);
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(@emp_id, ''));
DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(emp_name, ''));
END
END;
|
DECLARE
emp_id NUMBER;
emp_name VARCHAR2(20);
BEGIN
SELECT employee_id, first_name || ' ' || last_name
INTO emp_id, emp_name
FROM employees
WHERE employee_id = 100;
IF emp_id IS NULL THEN
RAISE_APPLICATION_ERROR(-20001, 'Employee not found');
ELSE
DBMS_OUTPUT.PUT_LINE('Employee ID: ' || emp_id);
DBMS_OUTPUT.PUT_LINE('Employee Name: ' || emp_name);
END IF;
END;
|
*** to transfer funds between accounts
IF OBJECT_ID('transfer_funds', 'P') IS NOT NULL
DROP PROCEDURE transfer_funds;
GO
CREATE PROCEDURE transfer_funds(
@from_account IN AS NUMBER,
to_account IN NUMBER,
amount IN NUMBER)
IS
BEGIN
-- Tr... SQLINES DEMO ***
UPDATE accounts
SET balance = balance + amount
WHERE account_id = to_account;
UPDATE accounts
SET balance = balance - amount
WHERE account_id = from_account;
*** n if the transfer fails
IF SQL%NOTFOUND BEGIN
RAISERROR('-20001 Transfer failed', 16, 1);
END
END;
*** late the average balance of all accounts
IF OBJECT_ID('avg_balance', 'FN') IS NOT NULL
DROP FUNCTION avg_balance;
GO
CREATE FUNCTION avg_balance() RETURNS FLOAT
AS
BEGIN
DECLARE @v_avg FLOAT;
SELECT @v_avg = AVG(balance) FROM accounts;
RETURN @v_avg;
END;
*** create a new account
INSERT INTO accounts (account_id, balance) VALUES (100, 500);
*** truct to process each row in a result set
DECLARE
@cursor c_accounts IS
SELECT * FROM accounts;
rec_accounts c_accounts%ROWTYPE;
BEGIN
OPEN c_accounts;
WHILE 1=1 BEGIN
FETCH c_accounts INTO @rec_accounts;
IF @@FETCH_STATUS <> 0 BREAK;
DBMS_OUTPUT.PUT_LINE('Account ID: ' + isnull(rec_accounts.account_id, ''));
DBMS_OUTPUT.PUT_LINE('Balance: ' + isnull(rec_accounts.balance, ''));
END;
CLOSE c_accounts;
END;
*** enario to catch and handle exceptions
BEGIN
*** er funds
dbo.transfer_funds(1, 2, 100);
EXCEPTION
WHEN OTHERS THEN
*** sage and rollback the transaction
DBMS_OUTPUT.PUT_LINE('Error: ' + ISNULL(SQLERRM, ''));
ROLLBACK;
END;
|
-- Stored Procedure to transfer funds between accounts
CREATE OR REPLACE PROCEDURE transfer_funds(
from_account IN NUMBER,
to_account IN NUMBER,
amount IN NUMBER)
IS
BEGIN
-- Transfer the funds
UPDATE accounts
SET balance = balance + amount
WHERE account_id = to_account;
UPDATE accounts
SET balance = balance - amount
WHERE account_id = from_account;
-- Raise an exception if the transfer fails
IF SQL%NOTFOUND THEN
RAISE_APPLICATION_ERROR(-20001, 'Transfer failed');
END IF;
END;
-- Function to calculate the average balance of all accounts
CREATE OR REPLACE FUNCTION avg_balance() RETURN NUMBER
IS
v_avg NUMBER;
BEGIN
SELECT AVG(balance) INTO v_avg FROM accounts;
RETURN v_avg;
END;
-- SQL statement to create a new account
INSERT INTO accounts (account_id, balance) VALUES (100, 500);
-- Control flow construct to process each row in a result set
DECLARE
cursor c_accounts IS
SELECT * FROM accounts;
rec_accounts c_accounts%ROWTYPE;
BEGIN
OPEN c_accounts;
LOOP
FETCH c_accounts INTO rec_accounts;
EXIT WHEN c_accounts%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('Account ID: ' || rec_accounts.account_id);
DBMS_OUTPUT.PUT_LINE('Balance: ' || rec_accounts.balance);
END LOOP;
CLOSE c_accounts;
END;
-- Error handling scenario to catch and handle exceptions
BEGIN
-- Attempt to transfer funds
transfer_funds(1, 2, 100);
EXCEPTION
WHEN OTHERS THEN
-- Log the error message and rollback the transaction
DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM);
ROLLBACK;
END;
|
DECLARE
@v_empno FLOAT;
v_salary NUMBER;
BEGIN
SELECT @v_empno = empno, @v_salary = salary FROM emp WHERE deptno = 10;
IF v_salary > 5000 BEGIN
UPDATE emp SET salary = salary * 1.1 WHERE empno = @v_empno;
END
ELSE IF v_salary > 3000 BEGIN
UPDATE emp SET salary = salary * 1.05 WHERE empno = @v_empno;
END
COMMIT;
IF @@FETCH_STATUS <> 0 BEGIN
NULL;
END
WHEN OTHERS THEN
RAISE;
END;
|
DECLARE
v_empno NUMBER;
v_salary NUMBER;
BEGIN
SELECT empno, salary INTO v_empno, v_salary FROM emp WHERE deptno = 10;
IF v_salary > 5000 THEN
UPDATE emp SET salary = salary * 1.1 WHERE empno = v_empno;
ELSIF v_salary > 3000 THEN
UPDATE emp SET salary = salary * 1.05 WHERE empno = v_empno;
END IF;
COMMIT;
EXCEPTION
WHEN NO_DATA_FOUND THEN
NULL;
WHEN OTHERS THEN
RAISE;
END;
|
IF OBJECT_ID('sp_insert_employee', 'P') IS NOT NULL
DROP PROCEDURE sp_insert_employee;
GO
CREATE PROCEDURE sp_insert_employee
(
@p_first_name IN AS VARCHAR2,
p_last_name IN VARCHAR2,
p_salary IN NUMBER
)
IS
BEGIN
*** ee into the database
INSERT INTO employees (first_name, last_name, salary)
VALUES (p_first_name, p_last_name, p_salary);
-- Co... SQLINES DEMO ***
COMMIT;
END;
BEGIN
*** iables
set @emp_first_name = 'John';
set @emp_last_name = 'Doe';
set @emp_salary = 10000;
*** rocedure
dbo.sp_insert_employee(emp_first_name, emp_last_name, emp_salary);
*** message
DBMS_OUTPUT.put_line('New employee added successfully.');
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.put_line('An error occurred while adding the new employee.');
END;
|
CREATE OR REPLACE PROCEDURE sp_insert_employee
(
p_first_name IN VARCHAR2,
p_last_name IN VARCHAR2,
p_salary IN NUMBER
)
IS
BEGIN
-- Insert new employee into the database
INSERT INTO employees (first_name, last_name, salary)
VALUES (p_first_name, p_last_name, p_salary);
-- Commit the changes
COMMIT;
END;
BEGIN
-- Declare local variables
emp_first_name := 'John';
emp_last_name := 'Doe';
emp_salary := 10000;
-- Call the stored procedure
sp_insert_employee(emp_first_name, emp_last_name, emp_salary);
-- Output a success message
DBMS_OUTPUT.put_line('New employee added successfully.');
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.put_line('An error occurred while adding the new employee.');
END;
|
DECLARE
@v_empno FLOAT;
v_ename dbo.VARCHAR2(20);
v_salary NUMBER;
v_comm NUMBER;
v_deptno NUMBER;
BEGIN
SELECT @v_empno = empno, @v_ename = ename, @v_salary = salary, @v_comm = comm, @v_deptno = deptno
FROM emp
WHERE empno = 7839;
IF v_comm IS NOT NULL BEGIN
SET @v_salary = v_salary + v_comm;
END
DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(v_ename, ''));
DBMS_OUTPUT.PUT_LINE('Salary: ' + ISNULL(FORMAT(v_salary, 'N0'), ''));
DBMS_OUTPUT.PUT_LINE('Department Number: ' + isnull(v_deptno, ''));
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('Employee not found.');
END
END;
|
DECLARE
v_empno NUMBER;
v_ename VARCHAR2(20);
v_salary NUMBER;
v_comm NUMBER;
v_deptno NUMBER;
BEGIN
SELECT empno, ename, salary, comm, deptno
INTO v_empno, v_ename, v_salary, v_comm, v_deptno
FROM emp
WHERE empno = 7839;
IF v_comm IS NOT NULL THEN
v_salary := v_salary + v_comm;
END IF;
DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_ename);
DBMS_OUTPUT.PUT_LINE('Salary: ' || TO_CHAR(v_salary, '999,999'));
DBMS_OUTPUT.PUT_LINE('Department Number: ' || v_deptno);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('Employee not found.');
END;
|
IF OBJECT_ID('my_procedure', 'P') IS NOT NULL
DROP PROCEDURE my_procedure;
GO
CREATE PROCEDURE my_procedure(@p_input VARCHAR(4000)) AS
v_result NUMBER;
BEGIN
SELECT @v_result = SUM(salary) FROM employees WHERE department_id = p_input;
IF v_result IS NULL BEGIN
RAISERROR('-20001 No employees found in department: ' + isnull(p_input, ''), 16, 1);
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('Total salary for department ' + isnull(p_input, '') + ' is ' + isnull(v_result, ''));
END
END;
|
CREATE OR REPLACE PROCEDURE my_procedure(p_input VARCHAR2) IS
v_result NUMBER;
BEGIN
SELECT SUM(salary) INTO v_result FROM employees WHERE department_id = p_input;
IF v_result IS NULL THEN
RAISE_APPLICATION_ERROR(-20001, 'No employees found in department: ' || p_input);
ELSE
DBMS_OUTPUT.PUT_LINE('Total salary for department ' || p_input || ' is ' || v_result);
END IF;
END;
|
BEGIN
DECLARE rec CURSOR FOR
SELECT department_id, department_name
FROM departments
WHERE department_id IN (
SELECT department_id
FROM employees
WHERE employee_id = 1
);
OPEN rec;
FETCH rec INTO;
WHILE @@FETCH_STATUS=0
BEGIN
DBMS_OUTPUT.PUT_LINE(@rec_department_name);
FETCH rec INTO;
END;
CLOSE rec;
DEALLOCATE rec;
END;
|
BEGIN
FOR rec IN (
SELECT department_id, department_name
FROM departments
WHERE department_id IN (
SELECT department_id
FROM employees
WHERE employee_id = 1
)
) LOOP
DBMS_OUTPUT.PUT_LINE(rec.department_name);
END LOOP;
END;
|
*** ocedure to calculate the sum of two numbers
IF OBJECT_ID('SUM_NUMBERS', 'P') IS NOT NULL
DROP PROCEDURE SUM_NUMBERS;
GO
CREATE PROCEDURE SUM_NUMBERS(
@IN NUM1 AS NUMBER,
IN NUM2 NUMBER,
OUT RESULT NUMBER
)
AS
BEGIN
SET @RESULT = NUM1 + NUM2;
END;
/
*** ocedure
DECLARE
@NUM1 FLOAT := 10;
NUM2 SET @NUMBER = 20;
RESULT NUMBER;
BEGIN
dbo.SUM_NUMBERS(@NUM1, NUM2, RESULT);
DBMS_OUTPUT.PUT_LINE('The sum is: ' + ISNULL(RESULT, ''));
END;
/
*** to return the factorial of a number
IF OBJECT_ID('FACTORIAL', 'FN') IS NOT NULL
DROP FUNCTION FACTORIAL;
GO
CREATE FUNCTION FACTORIAL(@N FLOAT) RETURNS FLOAT
AS
BEGIN
DECLARE @RESULT FLOAT;
SET @RESULT = 1;
DECLARE @I INT = 1 ;
WHILE @I <= @N BEGIN
SET @RESULT = @RESULT * I;
END;
RETURN @RESULT;
END;
GO
--Cal... SQLINES DEMO ***
DECLARE
@N FLOAT := 5;
FACTORIAL_RESULT NUMBER;
BEGIN
SET @FACTORIAL_RESULT = dbo.FACTORIAL(@N);
DBMS_OUTPUT.PUT_LINE('The factorial is: ' + ISNULL(FACTORIAL_RESULT, ''));
END;
/
*** construct to check if a number is even or odd
DECLARE
@NUMBER FLOAT := 10;
BEGIN
IF (@NUMBER % 2) = 0 BEGIN
DBMS_OUTPUT.PUT_LINE(ISNULL(@NUMBER, '') + ' is even.');
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE(ISNULL(@NUMBER, '') + ' is odd.');
END
END;
/
*** to catch an exception
DECLARE
@NUMBER FLOAT;
MESSAGE dbo.VARCHAR2(200);
BEGIN
SET @NUMBER = DBMS_RANDOM.VALUE(1, 10);
IF @NUMBER IS NULL BEGIN
DBMS_OUTPUT.PUT_LINE('An error occurred while generating a random number.');
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('The random number is: ' + ISNULL(@NUMBER, ''));
END
END;
/
|
--Create a stored procedure to calculate the sum of two numbers
CREATE OR REPLACE PROCEDURE SUM_NUMBERS(
IN NUM1 NUMBER,
IN NUM2 NUMBER,
OUT RESULT NUMBER
)
AS
BEGIN
RESULT := NUM1 + NUM2;
END;
/
--Call the stored procedure
DECLARE
NUM1 NUMBER := 10;
NUM2 NUMBER := 20;
RESULT NUMBER;
BEGIN
SUM_NUMBERS(NUM1, NUM2, RESULT);
DBMS_OUTPUT.PUT_LINE('The sum is: ' || RESULT);
END;
/
--Create a function to return the factorial of a number
CREATE OR REPLACE FUNCTION FACTORIAL(N NUMBER) RETURN NUMBER
AS
RESULT NUMBER;
BEGIN
RESULT := 1;
FOR I IN 1 .. N LOOP
RESULT := RESULT * I;
END LOOP;
RETURN RESULT;
END;
/
--Call the function
DECLARE
N NUMBER := 5;
FACTORIAL_RESULT NUMBER;
BEGIN
FACTORIAL_RESULT := FACTORIAL(N);
DBMS_OUTPUT.PUT_LINE('The factorial is: ' || FACTORIAL_RESULT);
END;
/
--Use a control flow construct to check if a number is even or odd
DECLARE
NUMBER NUMBER := 10;
BEGIN
IF MOD(NUMBER, 2) = 0 THEN
DBMS_OUTPUT.PUT_LINE(NUMBER || ' is even.');
ELSE
DBMS_OUTPUT.PUT_LINE(NUMBER || ' is odd.');
END IF;
END;
/
--Use error handling to catch an exception
DECLARE
NUMBER NUMBER;
MESSAGE VARCHAR2(200);
BEGIN
NUMBER := DBMS_RANDOM.VALUE(1, 10);
IF NUMBER IS NULL THEN
DBMS_OUTPUT.PUT_LINE('An error occurred while generating a random number.');
ELSE
DBMS_OUTPUT.PUT_LINE('The random number is: ' || NUMBER);
END IF;
END;
/
|
CREATE PROCEDURE get_customer_orders(@customer_id IN AS NUMBER) AS
BEGIN
DECLARE ord CURSOR FOR SELECT * FROM orders WHERE customer_id = customer_id;
OPEN ord;
FETCH ord INTO;
WHILE @@FETCH_STATUS=0
BEGIN
DBMS_OUTPUT.PUT_LINE(isnull(@ord_order_id, '') + ' ' + isnull(@ord_total, ''));
FETCH ord INTO;
END;
CLOSE ord;
DEALLOCATE ord;
END;
DECLARE
error_message EXCEPTION;
BEGIN
*** me SQL
BEGIN
UPDATE customers SET email = 'new_email@example.com' WHERE id = 1;
EXCEPTION
WHEN error_message THEN
*** sage
DBMS_OUTPUT.PUT_LINE(SQLERRM);
END;
END;
|
CREATE PROCEDURE get_customer_orders(customer_id IN NUMBER) AS
BEGIN
FOR ord IN (SELECT * FROM orders WHERE customer_id = customer_id)
LOOP
DBMS_OUTPUT.PUT_LINE(ord.order_id || ' ' || ord.total);
END LOOP;
END;
DECLARE
error_message EXCEPTION;
BEGIN
-- Try to execute some SQL
BEGIN
UPDATE customers SET email = 'new_email@example.com' WHERE id = 1;
EXCEPTION
WHEN error_message THEN
-- Log the error message
DBMS_OUTPUT.PUT_LINE(SQLERRM);
END;
END;
|
DECLARE
@v_empno FLOAT;
v_ename dbo.VARCHAR2(10);
v_job dbo.VARCHAR2(9);
v_sal NUMBER;
v_mgr NUMBER;
v_hiredate DATE;
v_comm NUMBER;
v_deptno NUMBER;
BEGIN
SELECT @v_empno = empno, @v_ename = ename, @v_job = job, @v_sal = sal, @v_mgr = mgr, @v_hiredate = hiredate, @v_comm = comm, @v_deptno = deptno
FROM emp
WHERE empno = 7369;
IF v_sal > 10000 BEGIN
UPDATE emp SET sal = v_sal * 1.10 WHERE empno = @v_empno;
END
ELSE IF v_sal BETWEEN 5000 AND 10000 BEGIN
UPDATE emp SET sal = v_sal * 1.05 WHERE empno = @v_empno;
END
ELSE BEGIN
UPDATE emp SET sal = v_sal * 1.02 WHERE empno = @v_empno;
END
DBMS_OUTPUT.PUT_LINE('Salary updated successfully');
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No employee found with the given employee number');
END
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred while updating the salary');
END;
|
DECLARE
v_empno NUMBER;
v_ename VARCHAR2(10);
v_job VARCHAR2(9);
v_sal NUMBER;
v_mgr NUMBER;
v_hiredate DATE;
v_comm NUMBER;
v_deptno NUMBER;
BEGIN
SELECT empno, ename, job, sal, mgr, hiredate, comm, deptno
INTO v_empno, v_ename, v_job, v_sal, v_mgr, v_hiredate, v_comm, v_deptno
FROM emp
WHERE empno = 7369;
IF v_sal > 10000 THEN
UPDATE emp SET sal = v_sal * 1.10 WHERE empno = v_empno;
ELSIF v_sal BETWEEN 5000 AND 10000 THEN
UPDATE emp SET sal = v_sal * 1.05 WHERE empno = v_empno;
ELSE
UPDATE emp SET sal = v_sal * 1.02 WHERE empno = v_empno;
END IF;
DBMS_OUTPUT.PUT_LINE('Salary updated successfully');
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No employee found with the given employee number');
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred while updating the salary');
END;
|
IF OBJECT_ID('my_proc', 'P') IS NOT NULL
DROP PROCEDURE my_proc;
GO
CREATE PROCEDURE my_proc(@p_id IN AS NUMBER) IS
v_name dbo.VARCHAR2(20);
BEGIN
SELECT @v_name = name FROM table_name WHERE id = p_id;
IF v_name IS NULL BEGIN
RAISERROR('-20000 No record found for id=' + isnull(p_id, ''), 16, 1);
END
DBMS_OUTPUT.PUT_LINE('Name: ' + isnull(v_name, ''));
END;
|
CREATE OR REPLACE PROCEDURE my_proc(p_id IN NUMBER) IS
v_name VARCHAR2(20);
BEGIN
SELECT name INTO v_name FROM table_name WHERE id = p_id;
IF v_name IS NULL THEN
RAISE_APPLICATION_ERROR(-20000, 'No record found for id=' || p_id);
END IF;
DBMS_OUTPUT.PUT_LINE('Name: ' || v_name);
END;
|
IF OBJECT_ID('add_employee', 'P') IS NOT NULL
DROP PROCEDURE add_employee;
GO
CREATE PROCEDURE add_employee(
@first_name IN AS VARCHAR2,
last_name IN VARCHAR2,
email IN VARCHAR2,
department_id IN NUMBER)
IS
emp_id NUMBER;
BEGIN
SELECT @emp_id = ISNULL(MAX(employee_id), 0) + 1 FROM employees;
INSERT INTO employees (employee_id, first_name, last_name, email, department_id)
VALUES (emp_id, first_name, last_name, email, department_id);
EXCEPTION
WHEN OTHERS THEN
RAISERROR('-20001 Error adding employee: ' + ISNULL(SQLERRM, ''), 16, 1);
END;
IF OBJECT_ID('get_department_name', 'FN') IS NOT NULL
DROP FUNCTION get_department_name;
GO
CREATE FUNCTION get_department_name(@department_id IN NUMBERDECLARE )
RETURN
BEGIN VARCHAR2
RETURN NULL;
END;
IS
dept_name dbo.VARCHAR2(100);
BEGIN
SELECT @dept_name = department_name FROM departments WHERE department_id = department_id;
RETURN dept_name;
IF @@FETCH_STATUS <> 0 BEGIN
RETURN NULL;
END
END;
BEGIN
DECLARE
@emp_first_name VARCHAR(20) := 'John';
emp_last_name dbo.VARCHAR2(20) := 'Doe';
emp_email dbo.VARCHAR2(50) := 'john.doe@acme.com';
dept_id SET @NUMBER = 10;
BEGIN
dbo.add_employee(@emp_first_name, emp_last_name, emp_email, dept_id);
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error adding employee: ' + ISNULL(SQLERRM, ''));
END;
END;
|
CREATE OR REPLACE PROCEDURE add_employee(
first_name IN VARCHAR2,
last_name IN VARCHAR2,
email IN VARCHAR2,
department_id IN NUMBER)
IS
emp_id NUMBER;
BEGIN
SELECT NVL(MAX(employee_id), 0) + 1 INTO emp_id FROM employees;
INSERT INTO employees (employee_id, first_name, last_name, email, department_id)
VALUES (emp_id, first_name, last_name, email, department_id);
EXCEPTION
WHEN OTHERS THEN
RAISE_APPLICATION_ERROR(-20001, 'Error adding employee: ' || SQLERRM);
END;
CREATE OR REPLACE FUNCTION get_department_name(department_id IN NUMBER)
RETURN VARCHAR2
IS
dept_name VARCHAR2(100);
BEGIN
SELECT department_name INTO dept_name FROM departments WHERE department_id = department_id;
RETURN dept_name;
EXCEPTION
WHEN NO_DATA_FOUND THEN
RETURN NULL;
END;
BEGIN
DECLARE
emp_first_name VARCHAR2(20) := 'John';
emp_last_name VARCHAR2(20) := 'Doe';
emp_email VARCHAR2(50) := 'john.doe@acme.com';
dept_id NUMBER := 10;
BEGIN
add_employee(emp_first_name, emp_last_name, emp_email, dept_id);
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error adding employee: ' || SQLERRM);
END;
END;
|
IF OBJECT_ID('get_customer_details', 'P') IS NOT NULL
DROP PROCEDURE get_customer_details;
GO
CREATE PROCEDURE get_customer_details(@p_customer_id IN AS NUMBER) AS
v_customer_name dbo.VARCHAR2(100);
BEGIN
SELECT @v_customer_name = name FROM customers WHERE id = p_customer_id;
DBMS_OUTPUT.PUT_LINE('Customer Name: ' + isnull(v_customer_name, ''));
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No customer found with the specified ID.');
END
END;
|
CREATE OR REPLACE PROCEDURE get_customer_details(p_customer_id IN NUMBER) AS
v_customer_name VARCHAR2(100);
BEGIN
SELECT name INTO v_customer_name FROM customers WHERE id = p_customer_id;
DBMS_OUTPUT.PUT_LINE('Customer Name: ' || v_customer_name);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No customer found with the specified ID.');
END;
|
CREATE PROCEDURE calc_bonus(@emp_id IN AS NUMBER, bonus_pct IN NUMBER) IS
bonus NUMBER;
BEGIN
SELECT @bonus = bonus FROM employees WHERE employee_id = emp_id;
UPDATE employees SET bonus = bonus * bonus_pct WHERE employee_id = emp_id;
IF @@FETCH_STATUS <> 0 BEGIN
END
*** r no employee found
WHEN TOO_MANY_ROWS THEN
*** r more than one row returned
WHEN DUP_VAL_ON_INDEX THEN
*** r duplicate value on unique index
END calc_bonus;
|
PROCEDURE calc_bonus(emp_id IN NUMBER, bonus_pct IN NUMBER) IS
bonus NUMBER;
BEGIN
SELECT bonus INTO bonus FROM employees WHERE employee_id = emp_id;
UPDATE employees SET bonus = bonus * bonus_pct WHERE employee_id = emp_id;
EXCEPTION
WHEN NO_DATA_FOUND THEN
-- Error handling for no employee found
WHEN TOO_MANY_ROWS THEN
-- Error handling for more than one row returned
WHEN DUP_VAL_ON_INDEX THEN
-- Error handling for duplicate value on unique index
END calc_bonus;
|
CREATE PROCEDURE update_employee_salary (
@employee_id IN AS NUMBER,
new_salary IN NUMBER,
OUT return_code NUMBER,
OUT return_message VARCHAR2
) IS
BEGIN
*** ee's salary
UPDATE employees SET salary = new_salary
WHERE employee_id = employee_id;
*** te was successful
IF @@ROWCOUNT = 0 BEGIN
*** t successful
set @return_code = 1;
set @return_message = 'Employee not found';
END
ELSE BEGIN
*** ccessful
set @return_code = 0;
set @return_message = 'Employee salary updated successfully';
END
END;
|
CREATE PROCEDURE update_employee_salary (
employee_id IN NUMBER,
new_salary IN NUMBER,
OUT return_code NUMBER,
OUT return_message VARCHAR2
) IS
BEGIN
-- Update the employee's salary
UPDATE employees SET salary = new_salary
WHERE employee_id = employee_id;
-- Check if the update was successful
IF SQL%ROWCOUNT = 0 THEN
-- The update was not successful
return_code := 1;
return_message := 'Employee not found';
ELSE
-- The update was successful
return_code := 0;
return_message := 'Employee salary updated successfully';
END IF;
END;
|
CREATE PROCEDURE my_proc (
@p_id IN AS NUMBER,
p_name IN VARCHAR2
) AS
BEGIN
INSERT INTO employees (id, name) VALUES (p_id, p_name);
COMMIT;
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
RAISE;
END;
CREATE FUNCTION my_func (
@p_id IN NUMBER
DECLARE ) RETURN
BEGIN VARCHAR2
RETURN NULL;
END; AS
BEGIN
RETURN (SELECT name FROM employees WHERE id = p_id);
END;
SELECT * FROM employees;
IF id > 10 BEGIN
UPDATE employees SET salary = salary * 1.10;
END
ELSE BEGIN
UPDATE employees SET salary = salary * 1.05;
END
BEGIN
DECLARE emp CURSOR FOR SELECT * FROM employees; OPEN emp;
FETCH emp INTO;
WHILE @@FETCH_STATUS=0
BEGIN
DBMS_OUTPUT.PUT_LINE(@emp_name);
FETCH emp INTO;
END;
CLOSE emp;
DEALLOCATE emp;
END;
|
CREATE PROCEDURE my_proc (
p_id IN NUMBER,
p_name IN VARCHAR2
) AS
BEGIN
INSERT INTO employees (id, name) VALUES (p_id, p_name);
COMMIT;
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
RAISE;
END;
CREATE FUNCTION my_func (
p_id IN NUMBER
) RETURN VARCHAR2 AS
BEGIN
RETURN (SELECT name FROM employees WHERE id = p_id);
END;
SELECT * FROM employees;
IF id > 10 THEN
UPDATE employees SET salary = salary * 1.10;
ELSE
UPDATE employees SET salary = salary * 1.05;
END IF;
BEGIN
FOR emp IN (SELECT * FROM employees) LOOP
DBMS_OUTPUT.PUT_LINE(emp.name);
END LOOP;
END;
|
IF OBJECT_ID('p_insert_emp', 'P') IS NOT NULL
DROP PROCEDURE p_insert_emp;
GO
CREATE PROCEDURE p_insert_emp
(
@p_empname IN AS VARCHAR2,
p_salary IN NUMBER
)
IS
v_empid NUMBER;
BEGIN
*** oyee
INSERT INTO emp (empname, salary)
VALUES (p_empname, p_salary);
SET @v_empid = SCOPE_IDENTITY();
-- Co... SQLINES DEMO ***
COMMIT;
*** ployee's ID
DBMS_OUTPUT.PUT_LINE('New employee ID: ' + isnull(v_empid, ''));
EXCEPTION
WHEN OTHERS THEN
-- Ha... SQLINES DEMO ***
DBMS_OUTPUT.PUT_LINE('Error: ' + ISNULL(SQLERRM, ''));
ROLLBACK;
END p_insert_emp;
/
|
CREATE OR REPLACE PROCEDURE p_insert_emp
(
p_empname IN VARCHAR2,
p_salary IN NUMBER
)
IS
v_empid NUMBER;
BEGIN
-- Insert a new employee
INSERT INTO emp (empname, salary)
VALUES (p_empname, p_salary)
RETURNING empid INTO v_empid;
-- Commit the changes
COMMIT;
-- Output the new employee's ID
DBMS_OUTPUT.PUT_LINE('New employee ID: ' || v_empid);
EXCEPTION
WHEN OTHERS THEN
-- Handle any errors
DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM);
ROLLBACK;
END p_insert_emp;
/
|
EXEC DBMS_OUTPUT.ENABLE(1000000);
DECLARE
@v_deptno SMALLINT;
BEGIN
SELECT @v_deptno = deptno FROM dept WHERE dname = 'SALES';
IF (@v_deptno IS NOT NULL) BEGIN
DBMS_OUTPUT.PUT_LINE('DEPTNO is: ' + isnull(@v_deptno, ''));
UPDATE emp SET sal = sal * 1.10 WHERE deptno = @v_deptno;
DBMS_OUTPUT.PUT_LINE('Salaries increased for employees in department ' + isnull(@v_deptno, ''));
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('Department not found');
END
END;
/ | EXEC DBMS_OUTPUT.ENABLE(1000000);
DECLARE
v_deptno NUMBER(2);
BEGIN
SELECT deptno INTO v_deptno FROM dept WHERE dname = 'SALES';
IF (v_deptno IS NOT NULL) THEN
DBMS_OUTPUT.PUT_LINE('DEPTNO is: ' || v_deptno);
UPDATE emp SET sal = sal * 1.10 WHERE deptno = v_deptno;
DBMS_OUTPUT.PUT_LINE('Salaries increased for employees in department ' || v_deptno);
ELSE
DBMS_OUTPUT.PUT_LINE('Department not found');
END IF;
END;
/ |
CREATE TABLE employees (id float, name varchar(100), salary float);
INSERT INTO employees VALUES (1, 'John Smith', 10000);
INSERT INTO employees VALUES (2, 'Jane Doe', 12000);
SELECT * FROM employees WHERE salary > 10000;
CREATE PROCEDURE get_employee_salary(@id_in float, @salary_out out AS number) AS
BEGIN
SELECT @salary_out = salary FROM employees WHERE id = id_in;
END;
BEGIN
DECLARE @salary float;
dbo.get_employee_salary(1, @salary);
dbms_output.put_line('Employee 1''s salary is: ' + isnull(@salary, ''));
IF @@FETCH_STATUS <> 0 BEGIN
dbms_output.put_line('No employee found with that ID.');
END
END;
|
CREATE TABLE employees (id number, name varchar2(100), salary number);
INSERT INTO employees VALUES (1, 'John Smith', 10000);
INSERT INTO employees VALUES (2, 'Jane Doe', 12000);
SELECT * FROM employees WHERE salary > 10000;
CREATE PROCEDURE get_employee_salary(id_in number, salary_out out number) AS
BEGIN
SELECT salary INTO salary_out FROM employees WHERE id = id_in;
END;
BEGIN
DECLARE salary number;
get_employee_salary(1, salary);
dbms_output.put_line('Employee 1''s salary is: ' || salary);
EXCEPTION
WHEN NO_DATA_FOUND THEN
dbms_output.put_line('No employee found with that ID.');
END;
|
CREATE PROCEDURE sp_update_emp_salary(
@p_emp_id IN AS NUMBER,
p_new_salary IN NUMBER
)
AS
*** iables
v_exists SET @BOOLEAN = FALSE;
v_old_salary NUMBER;
BEGIN
*** exists
SELECT @v_exists = COUNT(*) FROM employees WHERE emp_id = p_emp_id;
IF v_exists BEGIN
*** ry is greater than old salary
SELECT @v_old_salary = salary FROM employees WHERE emp_id = p_emp_id;
IF p_new_salary > v_old_salary BEGIN
*** salary
UPDATE employees SET salary = p_new_salary WHERE emp_id = p_emp_id;
-- Co... SQLINES DEMO ***
COMMIT;
END
ELSE BEGIN
*** w salary is not greater than old salary
RAISERROR('-20001 New salary must be greater than old salary', 16, 1);
END
END
ELSE BEGIN
*** ployee does not exist
RAISERROR('-20002 Employee does not exist', 16, 1);
END
END;
/
DECLARE
@emp_id FLOAT := 100;
new_salary SET @NUMBER = 5000;
BEGIN
*** dure
dbo.sp_update_emp_salary(@emp_id, new_salary);
*** ilure
IF @@ROWCOUNT > 0 BEGIN
DBMS_OUTPUT.PUT_LINE('Salary updated successfully.');
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('Error updating salary.');
END
END;
/
|
CREATE PROCEDURE sp_update_emp_salary(
p_emp_id IN NUMBER,
p_new_salary IN NUMBER
)
AS
-- Declare local variables
v_exists BOOLEAN := FALSE;
v_old_salary NUMBER;
BEGIN
-- Check if employee exists
SELECT COUNT(*) INTO v_exists FROM employees WHERE emp_id = p_emp_id;
IF v_exists THEN
-- Check if new salary is greater than old salary
SELECT salary INTO v_old_salary FROM employees WHERE emp_id = p_emp_id;
IF p_new_salary > v_old_salary THEN
-- Update employee's salary
UPDATE employees SET salary = p_new_salary WHERE emp_id = p_emp_id;
-- Commit changes
COMMIT;
ELSE
-- Raise error if new salary is not greater than old salary
RAISE_APPLICATION_ERROR(-20001, 'New salary must be greater than old salary');
END IF;
ELSE
-- Raise error if employee does not exist
RAISE_APPLICATION_ERROR(-20002, 'Employee does not exist');
END IF;
END;
/
DECLARE
emp_id NUMBER := 100;
new_salary NUMBER := 5000;
BEGIN
-- Call stored procedure
sp_update_emp_salary(emp_id, new_salary);
-- Handle success/failure
IF SQL%ROWCOUNT > 0 THEN
DBMS_OUTPUT.PUT_LINE('Salary updated successfully.');
ELSE
DBMS_OUTPUT.PUT_LINE('Error updating salary.');
END IF;
END;
/
|
DECLARE
@sal FLOAT;
name dbo.VARCHAR2(20);
BEGIN
DECLARE emp CURSOR FOR SELECT empno, ename, @sal FROM emp; OPEN emp;
FETCH emp INTO;
WHILE @@FETCH_STATUS=0
BEGIN
SET @sal = @emp_sal;
SET @name = @emp_ename;
IF @sal > 10000 BEGIN
DBMS_OUTPUT.PUT_LINE(isnull(name, '') + ''s salary is greater than 10000');
END IF;
END LOOP;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No employees found with salary > 10000' |
DECLARE
sal NUMBER;
name VARCHAR2(20);
BEGIN
FOR emp IN (SELECT empno, ename, sal FROM emp) LOOP
sal := emp.sal;
name := emp.ename;
IF sal > 10000 THEN
DBMS_OUTPUT.PUT_LINE(name || '\'s salary is greater than 10000');
END IF;
END LOOP;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No employees found with salary > 10000');
END;
|
DECLARE
@v_salary FLOAT;
BEGIN
SELECT @v_salary = salary FROM employees WHERE employee_id = 1;
IF @v_salary > 5000 BEGIN
UPDATE employees SET salary = @v_salary * 1.10 WHERE employee_id = 1;
END
ELSE BEGIN
UPDATE employees SET salary = @v_salary * 1.05 WHERE employee_id = 1;
END
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
RAISE;
END;
|
DECLARE
v_salary NUMBER;
BEGIN
SELECT salary INTO v_salary FROM employees WHERE employee_id = 1;
IF v_salary > 5000 THEN
UPDATE employees SET salary = v_salary * 1.10 WHERE employee_id = 1;
ELSE
UPDATE employees SET salary = v_salary * 1.05 WHERE employee_id = 1;
END IF;
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
RAISE;
END;
|
DECLARE
@v_emp_no FLOAT := 100;
BEGIN
*** y employee information
SELECT ename, job, sal
FROM emp
WHERE empno = @v_emp_no;
*** oyee
INSERT INTO emp (empno, ename, job, sal)
VALUES (200, 'John Doe', 'Clerk', 2500);
*** alary
UPDATE emp SET sal = sal * 1.10
WHERE empno = @v_emp_no;
-- De... SQLINES DEMO ***
DELETE FROM emp
WHERE empno = 200;
-- Er... SQLINES DEMO ***
BEGIN
*** by zero
SELECT 1 / 0;
EXCEPTION
WHEN OTHERS THEN
-- Ha... SQLINES DEMO ***
DBMS_OUTPUT.PUT_LINE('Error occurred: ' + ISNULL(SQLERRM, ''));
END;
END;
|
DECLARE
v_emp_no NUMBER := 100;
BEGIN
-- Select and display employee information
SELECT ename, job, sal
FROM emp
WHERE empno = v_emp_no;
-- Insert a new employee
INSERT INTO emp (empno, ename, job, sal)
VALUES (200, 'John Doe', 'Clerk', 2500);
-- Update employee salary
UPDATE emp SET sal = sal * 1.10
WHERE empno = v_emp_no;
-- Delete employee
DELETE FROM emp
WHERE empno = 200;
-- Error handling
BEGIN
-- Attempt to divide by zero
SELECT 1 / 0;
EXCEPTION
WHEN OTHERS THEN
-- Handle the error
DBMS_OUTPUT.PUT_LINE('Error occurred: ' || SQLERRM);
END;
END;
|
IF OBJECT_ID('get_employee_salary', 'P') IS NOT NULL
DROP PROCEDURE get_employee_salary;
GO
CREATE PROCEDURE get_employee_salary(@emp_id IN AS NUMBER) AS
salary NUMBER;
BEGIN
SELECT @salary = salary FROM employees WHERE employee_id = emp_id;
IF salary IS NULL BEGIN
RAISERROR('-20001 Employee not found', 16, 1);
END
END;
CALL get_employee_salary(100);
SELECT * FROM employees WHERE salary > (
SELECT salary
FROM employees
WHERE employee_id = 100
);
BEGIN
BEGIN
*** into the employees table
INSERT INTO employees (employee_id, first_name, last_name, salary)
VALUES (200, 'John', 'Doe', 50000);
EXCEPTION
WHEN DUP_VAL_ON_INDEX THEN
*** value error
DBMS_OUTPUT.PUT_LINE('Error: Duplicate value on index');
END;
BEGIN
*** he employees table
UPDATE employees SET salary = salary * 1.1
WHERE employee_id = 100;
IF @@FETCH_STATUS <> 0 BEGIN
*** und error
DBMS_OUTPUT.PUT_LINE('Error: No data found');
END
END;
END;
|
CREATE OR REPLACE PROCEDURE get_employee_salary(emp_id IN NUMBER) AS
salary NUMBER;
BEGIN
SELECT salary INTO salary FROM employees WHERE employee_id = emp_id;
IF salary IS NULL THEN
RAISE_APPLICATION_ERROR(-20001, 'Employee not found');
END IF;
END;
CALL get_employee_salary(100);
SELECT * FROM employees WHERE salary > (
SELECT salary
FROM employees
WHERE employee_id = 100
);
BEGIN
BEGIN
-- Insert a new row into the employees table
INSERT INTO employees (employee_id, first_name, last_name, salary)
VALUES (200, 'John', 'Doe', 50000);
EXCEPTION
WHEN DUP_VAL_ON_INDEX THEN
-- Handle duplicate value error
DBMS_OUTPUT.PUT_LINE('Error: Duplicate value on index');
END;
BEGIN
-- Update a row in the employees table
UPDATE employees SET salary = salary * 1.1
WHERE employee_id = 100;
EXCEPTION
WHEN NO_DATA_FOUND THEN
-- Handle no data found error
DBMS_OUTPUT.PUT_LINE('Error: No data found');
END;
END;
|
DECLARE
@v_emp_id FLOAT;
v_emp_name dbo.VARCHAR2(50);
BEGIN
SELECT @v_emp_id = emp_id, @v_emp_name = emp_name FROM employees WHERE emp_id = 1;
IF @v_emp_id IS NULL BEGIN
RAISERROR('-20001 Employee not found.', 16, 1);
END
DBMS_OUTPUT.PUT_LINE('Employee ' + isnull(@v_emp_id, '') + ' (' + isnull(v_emp_name, '') + ')');
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No data found.');
END
END;
|
DECLARE
v_emp_id NUMBER;
v_emp_name VARCHAR2(50);
BEGIN
SELECT emp_id, emp_name INTO v_emp_id, v_emp_name FROM employees WHERE emp_id = 1;
IF v_emp_id IS NULL THEN
RAISE_APPLICATION_ERROR(-20001, 'Employee not found.');
END IF;
DBMS_OUTPUT.PUT_LINE('Employee ' || v_emp_id || ' (' || v_emp_name || ')');
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No data found.');
END;
|
sql
IF OBJECT_ID('get_employee_salary', 'FN') IS NOT NULL
DROP FUNCTION get_employee_salary;
GO
CREATE FUNCTION get_employee_salary(@employee_id IN NUMBERDECLARE )
RETURN
BEGIN NUMBER
RETURN NULL;
END;
IS
salary NUMBER;
BEGIN
SELECT @salary = salary
FROM employees
WHERE employee_id = employee_id;
RETURN salary;
IF @@fetch_status <> 0 BEGIN
RETURN NULL;
END
END;
| sql
CREATE OR REPLACE FUNCTION get_employee_salary(employee_id IN NUMBER)
RETURN NUMBER
IS
salary NUMBER;
BEGIN
SELECT salary
INTO salary
FROM employees
WHERE employee_id = employee_id;
RETURN salary;
EXCEPTION
WHEN no_data_found THEN
RETURN NULL;
END;
|
BEGIN
--Dec... SQLINES DEMO ***
DECLARE @num_rows INTEGER;
BEGIN
*** ent
SELECT @num_rows = COUNT(*) FROM employees;
*** any rows returned
IF @num_rows > 0 BEGIN
*** ws exist
END
ELSE BEGIN
*** rows exist
END
--Han... SQLINES DEMO ***
EXCEPTION
WHEN OTHERS THEN
*** an error occurs
END;
END; | BEGIN
--Declare variables
DECLARE num_rows INTEGER;
BEGIN
--Execute SQL statement
SELECT COUNT(*) INTO num_rows FROM employees;
--Check if there are any rows returned
IF num_rows > 0 THEN
--Do something if rows exist
ELSE
--Do something if no rows exist
END IF;
--Handle errors
EXCEPTION
WHEN OTHERS THEN
--Do something when an error occurs
END;
END; |
sql
IF OBJECT_ID('AddCustomer', 'P') IS NOT NULL
DROP PROCEDURE AddCustomer;
GO
CREATE PROCEDURE AddCustomer(
@first_name IN AS VARCHAR2,
last_name IN VARCHAR2,
email IN VARCHAR2
) AS
customer_id NUMBER;
BEGIN
SELECT INTO customer_id SEQ_CUSTOMER_ID.NEXTVAL FROM dual;
INSERT INTO Customers
(customer_id, first_name, last_name, email)
VALUES
(customer_id, first_name, last_name, email);
EXCEPTION
WHEN DUP_VAL_ON_INDEX THEN
RAISERROR('-20001 Duplicate email address', 16, 1);
END;
| sql
CREATE OR REPLACE PROCEDURE AddCustomer(
first_name IN VARCHAR2,
last_name IN VARCHAR2,
email IN VARCHAR2
) AS
customer_id NUMBER;
BEGIN
SELECT INTO customer_id SEQ_CUSTOMER_ID.NEXTVAL FROM dual;
INSERT INTO Customers
(customer_id, first_name, last_name, email)
VALUES
(customer_id, first_name, last_name, email);
EXCEPTION
WHEN DUP_VAL_ON_INDEX THEN
RAISE_APPLICATION_ERROR(-20001, 'Duplicate email address');
END;
|
DECLARE
@v_emp_id FLOAT;
BEGIN
SELECT @v_emp_id = emp_id FROM emp WHERE emp_name = 'John Doe';
IF @v_emp_id IS NULL BEGIN
RAISERROR('-20001 Employee not found', 16, 1);
END
UPDATE emp SET salary = salary * 1.10 WHERE emp_id = @v_emp_id;
COMMIT;
DBMS_OUTPUT.PUT_LINE('Salary updated successfully.');
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('Employee not found.');
END
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred.');
RAISE;
END;
|
DECLARE
v_emp_id NUMBER;
BEGIN
SELECT emp_id INTO v_emp_id FROM emp WHERE emp_name = 'John Doe';
IF v_emp_id IS NULL THEN
RAISE_APPLICATION_ERROR(-20001, 'Employee not found');
END IF;
UPDATE emp SET salary = salary * 1.10 WHERE emp_id = v_emp_id;
COMMIT;
DBMS_OUTPUT.PUT_LINE('Salary updated successfully.');
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('Employee not found.');
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred.');
RAISE;
END;
|
IF OBJECT_ID('get_employee_salary', 'FN') IS NOT NULL
DROP FUNCTION get_employee_salary;
GO
CREATE FUNCTION get_employee_salary(@emp_id FLOAT) RETURNS FLOAT AS
BEGIN
DECLARE @salary FLOAT;
SELECT @salary = @salary FROM employees WHERE employee_id = @emp_id;
RETURN @salary;
IF @@FETCH_STATUS <> 0 BEGIN
RETURN NULL;
END
END;
|
CREATE OR REPLACE FUNCTION get_employee_salary(emp_id NUMBER) RETURN NUMBER IS
salary NUMBER;
BEGIN
SELECT salary INTO salary FROM employees WHERE employee_id = emp_id;
RETURN salary;
EXCEPTION
WHEN NO_DATA_FOUND THEN
RETURN NULL;
END;
|
CREATE PROCEDURE create_employee(
@emp_id IN AS INTEGER,
first_name IN VARCHAR2,
last_name IN VARCHAR2,
email IN VARCHAR2,
salary IN NUMBER,
date_of_joining IN DATE,
dept_id IN NUMBER,
mng_id IN NUMBER)
IS
e_id EMPLOYEE.emp_id%TYPE;
v_salary NUMBER;
BEGIN
SELECT @e_id = emp_id
FROM EMPLOYEE
WHERE emp_id = emp_id;
IF @@FETCH_STATUS <> 0 BEGIN
BEGIN
IF salary > (
SELECT
MAX(salary)
FROM
EMPLOYEE)
BEGIN
set @v_salary = salary;
END
ELSE BEGIN
set @v_salary = 0;
END
INSERT
INTO EMPLOYEE(
emp_id,
first_name,
last_name,
email,
salary,
date_of_joining,
dept_id,
mng_id)
VALUES (
emp_id,
first_name,
last_name,
email,
v_salary,
date_of_joining,
dept_id,
mng_id);
COMMIT;
END;
END
WHEN DUP_VAL_ON_INDEX THEN
DBMS_OUTPUT.PUT_LINE('Duplicate value found for emp_id');
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error occurred while creating employee');
END;
|
PROCEDURE create_employee(
emp_id IN INTEGER,
first_name IN VARCHAR2,
last_name IN VARCHAR2,
email IN VARCHAR2,
salary IN NUMBER,
date_of_joining IN DATE,
dept_id IN NUMBER,
mng_id IN NUMBER)
IS
e_id EMPLOYEE.emp_id%TYPE;
v_salary NUMBER;
BEGIN
SELECT emp_id
INTO e_id
FROM EMPLOYEE
WHERE emp_id = emp_id;
EXCEPTION
WHEN NO_DATA_FOUND THEN
BEGIN
IF salary > (
SELECT
MAX(salary)
FROM
EMPLOYEE)
THEN
v_salary := salary;
ELSE
v_salary := 0;
END IF;
INSERT
INTO EMPLOYEE(
emp_id,
first_name,
last_name,
email,
salary,
date_of_joining,
dept_id,
mng_id)
VALUES (
emp_id,
first_name,
last_name,
email,
v_salary,
date_of_joining,
dept_id,
mng_id);
COMMIT;
END;
WHEN DUP_VAL_ON_INDEX THEN
DBMS_OUTPUT.PUT_LINE('Duplicate value found for emp_id');
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error occurred while creating employee');
END;
|
CREATE PROCEDURE get_customer_orders (@customer_id IN AS NUMBER) AS
orders SYS_REFCURSOR;
BEGIN
SELECT *
FROM orders
WHERE customer_id = customer_id;
IF @@FETCH_STATUS <> 0 BEGIN
ROLLBACK;
RAISE MESSAGE_LEVEL_1_NOT_FOUND;
END
END;
|
CREATE PROCEDURE get_customer_orders (customer_id IN NUMBER) AS
orders SYS_REFCURSOR;
BEGIN
OPEN orders FOR
SELECT *
FROM orders
WHERE customer_id = customer_id;
EXCEPTION
WHEN NO_DATA_FOUND THEN
ROLLBACK;
RAISE MESSAGE_LEVEL_1_NOT_FOUND;
END;
|
CREATE PROCEDURE get_customer_orders (@in customer_id AS INTEGER)
AS
CURSOR get_orders_cur IS
SELECT order_id, order_date FROM orders WHERE customer_id = customer_id;
orders_record orders_record_type;
BEGIN
OPEN get_orders_cur;
WHILE 1=1 BEGIN
FETCH get_orders_cur INTO @orders_record;
IF @@FETCH_STATUS <> 0 BREAK;
DBMS_OUTPUT.PUT_LINE(orders_record.order_date);
END;
CLOSE get_orders_cur;
END;
|
CREATE PROCEDURE get_customer_orders (in customer_id INTEGER)
AS
CURSOR get_orders_cur IS
SELECT order_id, order_date FROM orders WHERE customer_id = customer_id;
orders_record orders_record_type;
BEGIN
OPEN get_orders_cur;
LOOP
FETCH get_orders_cur INTO orders_record;
EXIT WHEN get_orders_cur%NOTFOUND;
DBMS_OUTPUT.PUT_LINE(orders_record.order_date);
END LOOP;
CLOSE get_orders_cur;
END;
|
BEGIN
DECLARE @v_emp_id DECIMAL(19,4) /* Use -meta option EMPLOYEE.emp_id%TYPE */;
DECLARE @v_emp_name VARCHAR(4000) /* Use -meta option EMPLOYEE.emp_name%TYPE */;
BEGIN
SELECT @v_emp_id = emp_id, @v_emp_name = emp_name
FROM EMPLOYEE
WHERE emp_id = 100;
DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(@v_emp_id, ''));
DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(@v_emp_name, ''));
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No employee found with ID 100.');
END
END;
END; | BEGIN
DECLARE v_emp_id EMPLOYEE.emp_id%TYPE;
DECLARE v_emp_name EMPLOYEE.emp_name%TYPE;
BEGIN
SELECT emp_id, emp_name
INTO v_emp_id, v_emp_name
FROM EMPLOYEE
WHERE emp_id = 100;
DBMS_OUTPUT.PUT_LINE('Employee ID: ' || v_emp_id);
DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_emp_name);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No employee found with ID 100.');
END;
END; |
IF OBJECT_ID('update_employee', 'P') IS NOT NULL
DROP PROCEDURE update_employee;
GO
CREATE PROCEDURE update_employee(
@emp_id IN AS NUMBER,
new_salary IN NUMBER,
new_email IN VARCHAR2,
new_phone IN VARCHAR2)
IS
BEGIN
UPDATE employees
SET salary = new_salary,
email = new_email,
phone = new_phone
WHERE employee_id = emp_id;
COMMIT;
END;
|
CREATE OR REPLACE PROCEDURE update_employee(
emp_id IN NUMBER,
new_salary IN NUMBER,
new_email IN VARCHAR2,
new_phone IN VARCHAR2)
IS
BEGIN
UPDATE employees
SET salary = new_salary,
email = new_email,
phone = new_phone
WHERE employee_id = emp_id;
COMMIT;
END;
|
IF OBJECT_ID('get_employees', 'P') IS NOT NULL
DROP PROCEDURE get_employees;
GO
CREATE PROCEDURE get_employees(@dept_id IN AS NUMBER)
AS
CURSOR c1 IS
SELECT * FROM employees
WHERE department_id = dept_id;
BEGIN
DECLARE rec CURSOR FOR c1 LOOP
DBMS_OUTPUT.PUT_LINE(isnull(@rec_first_name, '') + ' ' + isnull(@rec_last_name, ''));
FETCH rec INTO;
END;
CLOSE rec;
DEALLOCATE rec;
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No employees found in department ' + isnull(dept_id, ''));
END
END;
|
CREATE OR REPLACE PROCEDURE get_employees(dept_id IN NUMBER)
AS
CURSOR c1 IS
SELECT * FROM employees
WHERE department_id = dept_id;
BEGIN
FOR rec IN c1 LOOP
DBMS_OUTPUT.PUT_LINE(rec.first_name || ' ' || rec.last_name);
END LOOP;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No employees found in department ' || dept_id);
END;
|
DECLARE
@salary FLOAT;
deptno NUMBER;
job dbo.VARCHAR2(30);
ename dbo.VARCHAR2(30);
BEGIN
SELECT @deptno = department_id, @empno = employee_id
FROM hr.employees
WHERE employee_id = 400;
IF (deptno = 20) BEGIN
SELECT @ename = last_name, @job = job_id, @salary = @salary
FROM hr.employees
WHERE employee_id = 400;
dbms_output.put_line('Employee name: ' + isnull(ename, ''));
dbms_output.put_line('Employee job: ' + isnull(job, ''));
dbms_output.put_line('Employee salary: ' + isnull(@salary, ''));
END
ELSE BEGIN
dbms_output.put_line('Employee not in department 20');
END
END;
/ | DECLARE
salary NUMBER;
deptno NUMBER;
job VARCHAR2(30);
ename VARCHAR2(30);
BEGIN
SELECT department_id, employee_id
INTO deptno, empno
FROM hr.employees
WHERE employee_id = 400;
IF (deptno = 20) THEN
SELECT last_name, job_id, salary
INTO ename, job, salary
FROM hr.employees
WHERE employee_id = 400;
dbms_output.put_line('Employee name: ' || ename);
dbms_output.put_line('Employee job: ' || job);
dbms_output.put_line('Employee salary: ' || salary);
ELSE
dbms_output.put_line('Employee not in department 20');
END IF;
END;
/ |
CREATE PROCEDURE sp_demo(@p_id IN AS NUMBER) IS
BEGIN
UPDATE employees SET salary = salary * 1.1 WHERE employee_id = p_id;
DBMS_OUTPUT.PUT_LINE('Salary updated successfully for employee ' + isnull(p_id, ''));
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No employee found with employee_id ' + isnull(p_id, ''));
END
END sp_demo;
|
PROCEDURE sp_demo(p_id IN NUMBER) IS
BEGIN
UPDATE employees SET salary = salary * 1.1 WHERE employee_id = p_id;
DBMS_OUTPUT.PUT_LINE('Salary updated successfully for employee ' || p_id);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No employee found with employee_id ' || p_id);
END sp_demo;
|
DECLARE
@type emp_info is record (empid number, ename dbo.varchar2(20), job dbo.varchar2(20), mgr number, hiredate date, sal number, comm number, deptno number);
CURSOR emp_cur IS SELECT * FROM emp;
BEGIN
DECLARE i CURSOR FOR emp_cur LOOP
DBMS_OUTPUT.PUT_LINE(@i_ename);
FETCH i INTO;
END;
CLOSE i;
DEALLOCATE i;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE(SQLERRM);
END;
/ | DECLARE
type emp_info is record (empid number, ename varchar2(20), job varchar2(20), mgr number, hiredate date, sal number, comm number, deptno number);
CURSOR emp_cur IS SELECT * FROM emp;
BEGIN
FOR i IN emp_cur LOOP
DBMS_OUTPUT.PUT_LINE(i.ename);
END LOOP;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE(SQLERRM);
END;
/ |
DECLARE
@CURSOR emp_cur IS
SELECT empno, ename, sal
FROM emp;
emp_rec emp%ROWTYPE;
BEGIN
OPEN emp_cur;
WHILE 1=1 BEGIN
FETCH emp_cur INTO @emp_rec;
IF @@FETCH_STATUS <> 0 BREAK;
DBMS_OUTPUT.PUT_LINE('Employee: ' + isnull(emp_rec.ename, '') + ' with salary ' + isnull(emp_rec.sal, ''));
END;
CLOSE emp_cur;
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No data found');
END
END;
|
DECLARE
CURSOR emp_cur IS
SELECT empno, ename, sal
FROM emp;
emp_rec emp%ROWTYPE;
BEGIN
OPEN emp_cur;
LOOP
FETCH emp_cur INTO emp_rec;
EXIT WHEN emp_cur%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('Employee: ' || emp_rec.ename || ' with salary ' || emp_rec.sal);
END LOOP;
CLOSE emp_cur;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No data found');
END;
|
IF OBJECT_ID('sp_InsertEmployee', 'P') IS NOT NULL
DROP PROCEDURE sp_InsertEmployee;
GO
CREATE PROCEDURE sp_InsertEmployee(
@p_empid IN AS NUMBER,
p_name IN VARCHAR2,
p_salary IN NUMBER
)
AS
BEGIN
INSERT INTO employees (empid, name, salary)
VALUES (p_empid, p_name, p_salary);
EXCEPTION
WHEN OTHERS THEN
RAISE;
END;
CREATE FUNCTION fn_GetEmployeeName(@p_empid IN NUMBERDECLARE )
RETURN
BEGIN VARCHAR2
RETURN NULL;
END;
AS
BEGIN
SELECT name
FROM employees
WHERE empid = p_empid;
IF @@FETCH_STATUS <> 0 BEGIN
RAISE;
END
END;
DECLARE
@empid FLOAT := 1000;
name dbo.VARCHAR2(20) := 'John Doe';
salary SET @NUMBER = 100000;
BEGIN
dbo.sp_InsertEmployee(@empid, name, salary);
DBMS_OUTPUT.PUT_LINE('Employee inserted successfully');
END;
SELECT @empid, name, salary
FROM employees;
|
CREATE OR REPLACE PROCEDURE sp_InsertEmployee(
p_empid IN NUMBER,
p_name IN VARCHAR2,
p_salary IN NUMBER
)
AS
BEGIN
INSERT INTO employees (empid, name, salary)
VALUES (p_empid, p_name, p_salary);
EXCEPTION
WHEN OTHERS THEN
RAISE;
END;
CREATE FUNCTION fn_GetEmployeeName(p_empid IN NUMBER)
RETURN VARCHAR2
AS
BEGIN
SELECT name
FROM employees
WHERE empid = p_empid;
EXCEPTION
WHEN NO_DATA_FOUND THEN
RAISE;
END;
DECLARE
empid NUMBER := 1000;
name VARCHAR2(20) := 'John Doe';
salary NUMBER := 100000;
BEGIN
sp_InsertEmployee(empid, name, salary);
DBMS_OUTPUT.PUT_LINE('Employee inserted successfully');
END;
SELECT empid, name, salary
FROM employees;
|
DECLARE
@v_emp_id FLOAT := 10;
v_emp_name dbo.VARCHAR2(20);
BEGIN
SELECT @v_emp_name = ename FROM emp WHERE empno = @v_emp_id;
DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(v_emp_name, ''));
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No employee found with ID: ' + isnull(@v_emp_id, ''));
END
END;
|
DECLARE
v_emp_id NUMBER := 10;
v_emp_name VARCHAR2(20);
BEGIN
SELECT ename INTO v_emp_name FROM emp WHERE empno = v_emp_id;
DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_emp_name);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No employee found with ID: ' || v_emp_id);
END;
|
CREATE TABLE emp (id FLOAT PRIMARY KEY, name VARCHAR(20), salary FLOAT);
INSERT INTO emp VALUES (1, 'John', 1000);
INSERT INTO emp VALUES (2, 'Mary', 2000);
INSERT INTO emp VALUES (3, 'Bob', 3000);
IF OBJECT_ID('get_emp_name', 'FN') IS NOT NULL
DROP FUNCTION get_emp_name;
GO
CREATE FUNCTION get_emp_name(@id FLOAT) RETURNS VARCHAR(4000) AS
BEGIN
RETURN (SELECT name FROM emp WHERE @id = @id);
END;
IF OBJECT_ID('update_emp_salary', 'P') IS NOT NULL
DROP PROCEDURE update_emp_salary;
GO
CREATE PROCEDURE update_emp_salary(@id FLOAT, @new_salary FLOAT) AS
BEGIN
SET NOCOUNT ON;
UPDATE emp SET salary = @new_salary WHERE @id = @id;
COMMIT;
END;
BEGIN
DECLARE @emp_id FLOAT := 2;
DECLARE @emp_name VARCHAR(20);
DECLARE @emp_salary FLOAT;
BEGIN
SET @emp_name = dbo.get_emp_name(@emp_id);
SET @emp_salary = 3500;
dbo.update_emp_salary(@emp_id, @emp_salary);
END;
END;
|
CREATE TABLE emp (id NUMBER PRIMARY KEY, name VARCHAR2(20), salary NUMBER);
INSERT INTO emp VALUES (1, 'John', 1000);
INSERT INTO emp VALUES (2, 'Mary', 2000);
INSERT INTO emp VALUES (3, 'Bob', 3000);
CREATE OR REPLACE FUNCTION get_emp_name(id NUMBER) RETURN VARCHAR2 IS
BEGIN
RETURN (SELECT name FROM emp WHERE id = id);
END;
CREATE OR REPLACE PROCEDURE update_emp_salary(id NUMBER, new_salary NUMBER) IS
BEGIN
UPDATE emp SET salary = new_salary WHERE id = id;
COMMIT;
END;
BEGIN
DECLARE emp_id NUMBER := 2;
DECLARE emp_name VARCHAR2(20);
DECLARE emp_salary NUMBER;
BEGIN
emp_name := get_emp_name(emp_id);
emp_salary := 3500;
update_emp_salary(emp_id, emp_salary);
END;
END;
|
IF OBJECT_ID('get_customer_info', 'P') IS NOT NULL
DROP PROCEDURE get_customer_info;
GO
CREATE PROCEDURE get_customer_info(@customer_id IN AS NUMBER) AS
name dbo.VARCHAR2(50);
address dbo.VARCHAR2(100);
BEGIN
SELECT @name = name, @address = address FROM customers WHERE customer_id = customer_id;
DBMS_OUTPUT.PUT_LINE('Customer Name: ' + isnull(name, ''));
DBMS_OUTPUT.PUT_LINE('Customer Address: ' + isnull(address, ''));
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No customer found with the given ID.');
END
END;
END;
|
CREATE OR REPLACE PROCEDURE get_customer_info(customer_id IN NUMBER) AS
name VARCHAR2(50);
address VARCHAR2(100);
BEGIN
SELECT name, address INTO name, address FROM customers WHERE customer_id = customer_id;
DBMS_OUTPUT.PUT_LINE('Customer Name: ' || name);
DBMS_OUTPUT.PUT_LINE('Customer Address: ' || address);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No customer found with the given ID.');
END;
END;
|
CREATE PROCEDURE SampleProcedure(
@IN_Param IN AS VARCHAR2,
OUT_Param OUT VARCHAR2,
INOUT_Param IN OUT VARCHAR2
) IS
BEGIN
*** the input parameters
SET @INOUT_Param = IN_Param;
*** n if necessary
IF IN_Param IS NULL BEGIN
RAISERROR('-20001 Input parameter cannot be null', 16, 1);
END
*** the output parameter
SET @OUT_Param = 'Successful';
END;
BEGIN
*** rocedure
SampleProcedure(
IN_Param := 'Input Value',
SET @OUT_Param = '',
SET @INOUT_Param = 'Inout Value'
);
*** ions that may have occurred
EXCEPTION
WHEN OTHERS THEN
*** and take appropriate action
DBMS_OUTPUT.PUT_LINE('Error occurred: ' + ISNULL(SQLERRM, ''));
END;
-- Qu... SQLINES DEMO ***
SELECT *
FROM Employees
WHERE DepartmentID = 10;
*** constructs
IF Salary > 10000 BEGIN
*** he salary is greater than 10000
Set @Bonus = Salary * 0.1;
END
ELSE BEGIN
*** if the salary is not greater than 10000
Set @Bonus = 0;
END
|
CREATE PROCEDURE SampleProcedure(
IN_Param IN VARCHAR2,
OUT_Param OUT VARCHAR2,
INOUT_Param IN OUT VARCHAR2
) IS
BEGIN
-- Do something with the input parameters
INOUT_Param := IN_Param;
-- Raise an exception if necessary
IF IN_Param IS NULL THEN
RAISE_APPLICATION_ERROR(-20001, 'Input parameter cannot be null');
END IF;
-- Do something with the output parameter
OUT_Param := 'Successful';
END;
BEGIN
-- Call the stored procedure
SampleProcedure(
IN_Param := 'Input Value',
OUT_Param := '',
INOUT_Param := 'Inout Value'
);
-- Handle any exceptions that may have occurred
EXCEPTION
WHEN OTHERS THEN
-- Log the exception and take appropriate action
DBMS_OUTPUT.PUT_LINE('Error occurred: ' || SQLERRM);
END;
-- Query the database
SELECT *
FROM Employees
WHERE DepartmentID = 10;
-- Use control flow constructs
IF Salary > 10000 THEN
-- Do something if the salary is greater than 10000
Bonus := Salary * 0.1;
ELSE
-- Do something else if the salary is not greater than 10000
Bonus := 0;
END IF;
|
IF OBJECT_ID('get_customer_count', 'FN') IS NOT NULL
DROP FUNCTION get_customer_count;
GO
CREATE FUNCTION get_customer_count(@dept_id IN NUMBERDECLARE ) RETURN
BEGIN NUMBER
RETURN NULL;
END; IS
total_count NUMBER;
BEGIN
*** ber of customers in a specific department.
SELECT @total_count = COUNT(*) FROM customers WHERE dept_id = dept_id;
-- Re... SQLINES DEMO ***
RETURN total_count;
END get_customer_count;
DECLARE
-- De... SQLINES DEMO ***
@total_count FLOAT;
dept_id SET @NUMBER = 10;
BEGIN
*** to get the total number of customers in the specified department.
SET @total_count = dbo.get_customer_count(dept_id);
-- Ou... SQLINES DEMO ***
DBMS_OUTPUT.PUT_LINE('Total number of customers in department ' + isnull(dept_id, '') + ': ' + isnull(@total_count, ''));
END;
|
CREATE OR REPLACE FUNCTION get_customer_count(dept_id IN NUMBER) RETURN NUMBER IS
total_count NUMBER;
BEGIN
-- Get the total number of customers in a specific department.
SELECT COUNT(*) INTO total_count FROM customers WHERE dept_id = dept_id;
-- Return the count.
RETURN total_count;
END get_customer_count;
DECLARE
-- Declare variables.
total_count NUMBER;
dept_id NUMBER := 10;
BEGIN
-- Call the function to get the total number of customers in the specified department.
total_count := get_customer_count(dept_id);
-- Output the result.
DBMS_OUTPUT.PUT_LINE('Total number of customers in department ' || dept_id || ': ' || total_count);
END;
|
DECLARE
@l_empno FLOAT := 1000;
l_sal SET @NUMBER = 10000;
l_comm SET @NUMBER = 0;
BEGIN
SELECT
@l_comm = comm
FROM emp
WHERE
empno = @l_empno;
IF @@FETCH_STATUS <> 0 BEGIN
NULL;
END
WHEN OTHERS THEN
RAISE;
END;
/ | DECLARE
l_empno NUMBER := 1000;
l_sal NUMBER := 10000;
l_comm NUMBER := 0;
BEGIN
SELECT
comm
INTO
l_comm
FROM emp
WHERE
empno = l_empno;
EXCEPTION
WHEN NO_DATA_FOUND THEN
NULL;
WHEN OTHERS THEN
RAISE;
END;
/ |
IF OBJECT_ID('update_order', 'P') IS NOT NULL
DROP PROCEDURE update_order;
GO
CREATE PROCEDURE update_order
(
@p_order_id IN AS NUMBER,
p_new_status IN VARCHAR2,
p_success OUT VARCHAR2,
p_err_msg OUT VARCHAR2
)
AS
BEGIN
UPDATE orders SET status = p_new_status WHERE order_id = p_order_id;
set @p_success = 'Y';
IF @@FETCH_STATUS <> 0 BEGIN
set @p_err_msg = 'No order found with the specified order ID.';
END
WHEN OTHERS THEN
set @p_success = 'N';
set @p_err_msg = SQLERRM;
END update_order;
|
CREATE OR REPLACE PROCEDURE update_order
(
p_order_id IN NUMBER,
p_new_status IN VARCHAR2,
p_success OUT VARCHAR2,
p_err_msg OUT VARCHAR2
)
AS
BEGIN
UPDATE orders SET status = p_new_status WHERE order_id = p_order_id;
p_success := 'Y';
EXCEPTION
WHEN NO_DATA_FOUND THEN
p_err_msg := 'No order found with the specified order ID.';
WHEN OTHERS THEN
p_success := 'N';
p_err_msg := SQLERRM;
END update_order;
|
CREATE PROCEDURE Employee_Insert
(
@in_id FLOAT,
@in_name VARCHAR(4000),
@in_salary FLOAT,
@in_dept_id FLOAT
)
AS
v_err_msg dbo.VARCHAR2(200);
BEGIN
INSERT INTO Employees (Id, Name, Salary, Dept_id)
VALUES (in_id, in_name, in_salary, in_dept_id);
COMMIT;
EXCEPTION
WHEN OTHERS THEN
set @v_err_msg = SQLERRM;
RAISERROR(-20001, v_err_msg, 16, 1);
END;
/
|
CREATE PROCEDURE Employee_Insert
(
in_id NUMBER,
in_name VARCHAR2,
in_salary NUMBER,
in_dept_id NUMBER
)
IS
v_err_msg VARCHAR2(200);
BEGIN
INSERT INTO Employees (Id, Name, Salary, Dept_id)
VALUES (in_id, in_name, in_salary, in_dept_id);
COMMIT;
EXCEPTION
WHEN OTHERS THEN
v_err_msg := SQLERRM;
RAISE_APPLICATION_ERROR(-20001, v_err_msg);
END;
/
|
IF OBJECT_ID('customer_order', 'P') IS NOT NULL
DROP PROCEDURE customer_order;
GO
CREATE PROCEDURE customer_order (@customer_id IN AS NUMBER, order_id IN NUMBER, product_id IN NUMBER, quantity IN NUMBER)
IS
BEGIN
IF NOT dbo.customer_exists(customer_id) BEGIN
RAISERROR('-20001 Customer does not exist', 16, 1);
END
IF NOT dbo.product_exists(product_id) BEGIN
RAISERROR('-20002 Product does not exist', 16, 1);
END
INSERT INTO orders (order_id, customer_id, product_id, quantity)
VALUES (order_id, customer_id, product_id, quantity);
END;
IF OBJECT_ID('customer_balance', 'FN') IS NOT NULL
DROP FUNCTION customer_balance;
GO
CREATE FUNCTION customer_balance (@customer_id IN NUMBERDECLARE )
RETURN
BEGIN NUMBER
RETURN NULL;
END;
IS
BEGIN
RETURN (
SELECT SUM(quantity * unit_price)
FROM orders
WHERE customer_id = customer_id
);
END;
|
CREATE OR REPLACE PROCEDURE customer_order (customer_id IN NUMBER, order_id IN NUMBER, product_id IN NUMBER, quantity IN NUMBER)
IS
BEGIN
IF NOT customer_exists(customer_id) THEN
RAISE_APPLICATION_ERROR(-20001, 'Customer does not exist');
END IF;
IF NOT product_exists(product_id) THEN
RAISE_APPLICATION_ERROR(-20002, 'Product does not exist');
END IF;
INSERT INTO orders (order_id, customer_id, product_id, quantity)
VALUES (order_id, customer_id, product_id, quantity);
END;
CREATE OR REPLACE FUNCTION customer_balance (customer_id IN NUMBER)
RETURN NUMBER
IS
BEGIN
RETURN (
SELECT SUM(quantity * unit_price)
FROM orders
WHERE customer_id = customer_id
);
END;
|
IF OBJECT_ID('my_proc', 'P') IS NOT NULL
DROP PROCEDURE my_proc;
GO
CREATE PROCEDURE my_proc (@p_deptno IN AS NUMBER) AS
BEGIN
DECLARE
@emp_count FLOAT;
BEGIN
SELECT @emp_count = COUNT(*)
FROM employees
WHERE department_id = p_deptno;
IF @emp_count = 0 BEGIN
RAISERROR('-20001 No employees in department ' + isnull(p_deptno, ''), 16, 1);
END
DBMS_OUTPUT.PUT_LINE('Number of employees in department ' + isnull(p_deptno, '') + ': ' + isnull(@emp_count, ''));
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No department found with ID ' + isnull(p_deptno, ''));
END
END;
END;
|
CREATE OR REPLACE PROCEDURE my_proc (p_deptno IN NUMBER) AS
BEGIN
DECLARE
emp_count NUMBER;
BEGIN
SELECT COUNT(*) INTO emp_count
FROM employees
WHERE department_id = p_deptno;
IF emp_count = 0 THEN
RAISE_APPLICATION_ERROR(-20001, 'No employees in department ' || p_deptno);
END IF;
DBMS_OUTPUT.PUT_LINE('Number of employees in department ' || p_deptno || ': ' || emp_count);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No department found with ID ' || p_deptno);
END;
END;
|
CREATE TABLE employees (
employee_id INT PRIMARY KEY,
name VARCHAR(50) NOT NULL,
salary DECIMAL(8,2) NOT NULL
);
CREATE PROCEDURE raise_salary (
@employee_id IN AS NUMBER,
amount IN NUMBER
)
AS
*** ry of the employee with the given ID
UPDATE employees
SET salary = salary * (1 + amount / 100)
WHERE employee_id = employee_id;
DECLARE
*** e to store the employee's new salary
@new_salary FLOAT;
BEGIN
*** lary procedure
dbo.raise_salary(100, 10);
*** s new salary
SELECT @new_salary = salary
FROM employees
WHERE employee_id = 100;
*** yee's new salary
DBMS_OUTPUT.PUT_LINE('New salary: ' + isnull(@new_salary, ''));
END;
|
CREATE TABLE employees (
employee_id NUMBER(6) PRIMARY KEY,
name VARCHAR2(50) NOT NULL,
salary NUMBER(8,2) NOT NULL
);
CREATE PROCEDURE raise_salary (
employee_id IN NUMBER,
amount IN NUMBER
)
AS
-- Increase the salary of the employee with the given ID
UPDATE employees
SET salary = salary * (1 + amount / 100)
WHERE employee_id = employee_id;
DECLARE
-- Declare a variable to store the employee's new salary
new_salary NUMBER;
BEGIN
-- Call the raise_salary procedure
raise_salary(100, 10);
-- Get the employee's new salary
SELECT salary INTO new_salary
FROM employees
WHERE employee_id = 100;
-- Display the employee's new salary
DBMS_OUTPUT.PUT_LINE('New salary: ' || new_salary);
END;
|
DECLARE
@v_emp_id FLOAT := 100;
v_emp_name dbo.VARCHAR2(100);
v_salary NUMBER;
BEGIN
SELECT @v_emp_name = emp_name, @v_salary = salary FROM employees WHERE emp_id = @v_emp_id;
IF v_salary > 5000 BEGIN
UPDATE employees SET salary = salary * 1.10 WHERE emp_id = @v_emp_id;
END
ELSE IF v_salary > 3000 BEGIN
UPDATE employees SET salary = salary * 1.05 WHERE emp_id = @v_emp_id;
END
ELSE BEGIN
UPDATE employees SET salary = salary * 1.02 WHERE emp_id = @v_emp_id;
END
COMMIT;
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
RAISE;
END;
|
DECLARE
v_emp_id NUMBER := 100;
v_emp_name VARCHAR2(100);
v_salary NUMBER;
BEGIN
SELECT emp_name, salary INTO v_emp_name, v_salary FROM employees WHERE emp_id = v_emp_id;
IF v_salary > 5000 THEN
UPDATE employees SET salary = salary * 1.10 WHERE emp_id = v_emp_id;
ELSIF v_salary > 3000 THEN
UPDATE employees SET salary = salary * 1.05 WHERE emp_id = v_emp_id;
ELSE
UPDATE employees SET salary = salary * 1.02 WHERE emp_id = v_emp_id;
END IF;
COMMIT;
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
RAISE;
END;
|
DECLARE
@v_empno VARCHAR(4000) /* Use -meta option employee.empno%TYPE */;
v_salary employee.salary%TYPE;
BEGIN
SELECT @v_empno = empno, @v_salary = salary
FROM employee
WHERE empno = 100;
IF v_salary < 10000 BEGIN
dbms_output.put_line('Salary is less than $10,000');
END
ELSE IF v_salary >= 10000 AND v_salary < 20000 BEGIN
dbms_output.put_line('Salary is between $10,000 and $20,000');
END
ELSE BEGIN
dbms_output.put_line('Salary is $20,000 or more');
END
IF @@fetch_status <> 0 BEGIN
dbms_output.put_line('No employee found with that empno');
END
END;
/
|
DECLARE
v_empno employee.empno%TYPE;
v_salary employee.salary%TYPE;
BEGIN
SELECT empno, salary
INTO v_empno, v_salary
FROM employee
WHERE empno = 100;
IF v_salary < 10000 THEN
dbms_output.put_line('Salary is less than $10,000');
ELSIF v_salary >= 10000 AND v_salary < 20000 THEN
dbms_output.put_line('Salary is between $10,000 and $20,000');
ELSE
dbms_output.put_line('Salary is $20,000 or more');
END IF;
EXCEPTION
WHEN no_data_found THEN
dbms_output.put_line('No employee found with that empno');
END;
/
|
DECLARE
-- De... SQLINES DEMO ***
@l_name VARCHAR(50);
l_salary NUMBER;
BEGIN
-- Ge... SQLINES DEMO ***
SELECT @l_name = name, @l_salary = salary FROM employees WHERE id = 1;
-- Pr... SQLINES DEMO ***
DBMS_OUTPUT.PUT_LINE('Name: ' + isnull(@l_name, ''));
DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(l_salary, ''));
*** heck if salary is above 5000
IF l_salary > 5000 BEGIN
RAISERROR('-20001 Salary is too high', 16, 1);
END
END;
|
DECLARE
-- Declare variables
l_name VARCHAR2(50);
l_salary NUMBER;
BEGIN
-- Get employee info
SELECT name, salary INTO l_name, l_salary FROM employees WHERE id = 1;
-- Print employee info
DBMS_OUTPUT.PUT_LINE('Name: ' || l_name);
DBMS_OUTPUT.PUT_LINE('Salary: ' || l_salary);
-- Error handling: Check if salary is above 5000
IF l_salary > 5000 THEN
RAISE_APPLICATION_ERROR(-20001, 'Salary is too high');
END IF;
END;
|
IF OBJECT_ID('get_employee_salary', 'P') IS NOT NULL
DROP PROCEDURE get_employee_salary;
GO
CREATE PROCEDURE get_employee_salary(
@employee_id IN AS NUMBER,
out_salary OUT NUMBER
)
IS
BEGIN
SELECT @out_salary = salary
FROM employees
WHERE employee_id = employee_id;
IF @@FETCH_STATUS <> 0 BEGIN
set @out_salary = NULL;
END
END;
/
DECLARE
@emp_id FLOAT := 100;
salary NUMBER;
BEGIN
dbo.get_employee_salary(@emp_id, salary);
IF salary IS NULL BEGIN
RAISERROR('-20001 Employee not found', 16, 1);
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(salary, ''));
END
END;
/ | CREATE OR REPLACE PROCEDURE get_employee_salary(
employee_id IN NUMBER,
out_salary OUT NUMBER
)
IS
BEGIN
SELECT salary INTO out_salary
FROM employees
WHERE employee_id = employee_id;
EXCEPTION
WHEN NO_DATA_FOUND THEN
out_salary := NULL;
END;
/
DECLARE
emp_id NUMBER := 100;
salary NUMBER;
BEGIN
get_employee_salary(emp_id, salary);
IF salary IS NULL THEN
RAISE_APPLICATION_ERROR(-20001, 'Employee not found');
ELSE
DBMS_OUTPUT.PUT_LINE('Salary: ' || salary);
END IF;
END;
/ |
BEGIN
DECLARE @v_id FLOAT;
DECLARE @v_name VARCHAR(50);
DECLARE @v_salary FLOAT;
BEGIN
SELECT @v_id = emp_id, @v_name = emp_name, @v_salary = salary FROM emp WHERE emp_id = 10;
IF @v_salary > 10000 BEGIN
UPDATE emp SET salary = @v_salary + 1000 WHERE emp_id = @v_id;
COMMIT;
END
ELSE BEGIN
RAISERROR('-20001 Salary is less than 10000', 16, 1);
END
END;
END; | BEGIN
DECLARE v_id NUMBER;
DECLARE v_name VARCHAR2(50);
DECLARE v_salary NUMBER;
BEGIN
SELECT emp_id, emp_name, salary INTO v_id, v_name, v_salary FROM emp WHERE emp_id = 10;
IF v_salary > 10000 THEN
UPDATE emp SET salary = v_salary + 1000 WHERE emp_id = v_id;
COMMIT;
ELSE
RAISE_APPLICATION_ERROR(-20001, 'Salary is less than 10000');
END IF;
END;
END; |
IF OBJECT_ID('get_customer_info', 'FN') IS NOT NULL
DROP FUNCTION get_customer_info;
GO
CREATE FUNCTION get_customer_info(@customer_id IN NUMBERDECLARE )
RETURN
BEGIN SYS_REFCURSOR
RETURN NULL;
END; AS
cursor_customers REFCURSOR;
BEGIN
SELECT *
FROM customers
WHERE customer_id = customer_id;
RETURN cursor_customers;
END;
/
DECLARE
@customer_info SYS_REFCURSOR;
customer_name dbo.VARCHAR2(255);
BEGIN
SET @customer_info = dbo.get_customer_info(1);
FETCH customer_info INTO @customer_name;
DBMS_OUTPUT.PUT_LINE(customer_name);
END;
/
|
CREATE OR REPLACE FUNCTION get_customer_info(customer_id IN NUMBER)
RETURN SYS_REFCURSOR AS
cursor_customers REFCURSOR;
BEGIN
OPEN cursor_customers FOR
SELECT *
FROM customers
WHERE customer_id = customer_id;
RETURN cursor_customers;
END;
/
DECLARE
customer_info SYS_REFCURSOR;
customer_name VARCHAR2(255);
BEGIN
customer_info := get_customer_info(1);
FETCH customer_info INTO customer_name;
DBMS_OUTPUT.PUT_LINE(customer_name);
END;
/
|
DECLARE
@num_rows FLOAT;
BEGIN
SELECT @num_rows = COUNT(*) FROM emp;
IF @num_rows > 0 BEGIN
DBMS_OUTPUT.PUT_LINE('Table has ' + isnull(@num_rows, '') + ' rows.');
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('Table is empty.');
END
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No data found in table.');
END
END;
|
DECLARE
num_rows NUMBER;
BEGIN
SELECT COUNT(*) INTO num_rows FROM emp;
IF num_rows > 0 THEN
DBMS_OUTPUT.PUT_LINE('Table has ' || num_rows || ' rows.');
ELSE
DBMS_OUTPUT.PUT_LINE('Table is empty.');
END IF;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No data found in table.');
END;
|
DECLARE
@emp_id FLOAT := 10;
emp_name dbo.VARCHAR2(20);
BEGIN
SELECT @emp_name = ename FROM emp WHERE empno = @emp_id;
DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(emp_name, ''));
UPDATE emp SET sal = sal * 1.10 WHERE empno = @emp_id;
COMMIT;
DBMS_OUTPUT.PUT_LINE('Updated Salary for Employee ' + isnull(@emp_id, '') + ': ' + ISNULL(FORMAT(sal, 'N2'), ''));
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error: ' + ISNULL(SQLERRM, ''));
END;
|
DECLARE
emp_id NUMBER := 10;
emp_name VARCHAR2(20);
BEGIN
SELECT ename INTO emp_name FROM emp WHERE empno = emp_id;
DBMS_OUTPUT.PUT_LINE('Employee Name: ' || emp_name);
UPDATE emp SET sal = sal * 1.10 WHERE empno = emp_id;
COMMIT;
DBMS_OUTPUT.PUT_LINE('Updated Salary for Employee ' || emp_id || ': ' || TO_CHAR(sal, '999,999.99'));
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM);
END;
|
*** med employees
CREATE TABLE employees (
id INT PRIMARY KEY,
name VARCHAR(50) NOT NULL,
salary DECIMAL(10,2) NOT NULL
);
*** into the employees table
INSERT INTO employees (id, name, salary) VALUES (1, 'John Doe', 10000);
INSERT INTO employees (id, name, salary) VALUES (2, 'Jane Smith', 12000);
INSERT INTO employees (id, name, salary) VALUES (3, 'Peter Jones', 15000);
COMMIT;
*** rocedure to calculate the total salary of all employees
CREATE PROCEDURE get_total_salary AS
total_salary ROW_NUMBER(10,2);
BEGIN
SELECT @total_salary = SUM(salary) FROM employees;
DBMS_OUTPUT.PUT_LINE('Total salary: ' + isnull(total_salary, ''));
END;
/
*** otal_salary stored procedure
EXECUTE get_total_salary;
*** to calculate the bonus for an employee based on their salary
CREATE FUNCTION get_bonus (@salary DECIMAL(10,2)) RETURNS DECIMAL(10,2) AS
BEGIN
RETURN @salary * 0.10;
END;
GO
*** nd bonus for all employees
SELECT name, dbo.get_bonus(salary) AS bonus FROM employees;
*** truct: CASE statement
*** ee with the highest salary
SELECT *
FROM employees
WHERE salary = (
SELECT MAX(salary)
FROM employees
);
*** xception handling
BEGIN
*** rows from the employees table
DELETE FROM employees;
*** tement fails, catch the exception and display an error message
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('Error: No rows to delete.');
END
END;
/
|
-- Create a table named employees
CREATE TABLE employees (
id NUMBER(8) PRIMARY KEY,
name VARCHAR2(50) NOT NULL,
salary NUMBER(10,2) NOT NULL
);
-- Insert some data into the employees table
INSERT INTO employees (id, name, salary) VALUES (1, 'John Doe', 10000);
INSERT INTO employees (id, name, salary) VALUES (2, 'Jane Smith', 12000);
INSERT INTO employees (id, name, salary) VALUES (3, 'Peter Jones', 15000);
COMMIT;
-- Create a stored procedure to calculate the total salary of all employees
CREATE PROCEDURE get_total_salary AS
total_salary NUMBER(10,2);
BEGIN
SELECT SUM(salary) INTO total_salary FROM employees;
DBMS_OUTPUT.PUT_LINE('Total salary: ' || total_salary);
END;
/
-- Execute the get_total_salary stored procedure
EXECUTE get_total_salary;
-- Create a function to calculate the bonus for an employee based on their salary
CREATE FUNCTION get_bonus (salary NUMBER(10,2)) RETURN NUMBER(10,2) AS
BEGIN
RETURN salary * 0.10;
END;
/
-- Select the name and bonus for all employees
SELECT name, get_bonus(salary) AS bonus FROM employees;
-- Control flow construct: CASE statement
-- Select the employee with the highest salary
SELECT *
FROM employees
WHERE salary = (
SELECT MAX(salary)
FROM employees
);
-- Error handling: Exception handling
BEGIN
-- Try to delete all rows from the employees table
DELETE FROM employees;
-- If the delete statement fails, catch the exception and display an error message
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('Error: No rows to delete.');
END;
/
|
DECLARE
@v_empno FLOAT;
v_ename dbo.VARCHAR2(20);
v_job dbo.VARCHAR2(20);
v_sal NUMBER;
v_comm NUMBER;
BEGIN
SELECT @v_empno = empno, @v_ename = ename, @v_job = job, @v_sal = sal, @v_comm = comm
FROM emp
WHERE empno = :p_empno;
DBMS_OUTPUT.PUT_LINE('Employee Information:');
DBMS_OUTPUT.PUT_LINE('----------------------');
DBMS_OUTPUT.PUT_LINE('Employee Number: ' + isnull(@v_empno, ''));
DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(v_ename, ''));
DBMS_OUTPUT.PUT_LINE('Job: ' + isnull(v_job, ''));
DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(v_sal, ''));
DBMS_OUTPUT.PUT_LINE('Commission: ' + isnull(v_comm, ''));
IF v_comm IS NULL BEGIN
SET @v_comm = 0;
END
DBMS_OUTPUT.PUT_LINE('Total Earnings: ' + ISNULL((v_sal + v_comm), ''));
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('Employee not found.');
END
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, ''));
END;
|
DECLARE
v_empno NUMBER;
v_ename VARCHAR2(20);
v_job VARCHAR2(20);
v_sal NUMBER;
v_comm NUMBER;
BEGIN
SELECT empno, ename, job, sal, comm
INTO v_empno, v_ename, v_job, v_sal, v_comm
FROM emp
WHERE empno = :p_empno;
DBMS_OUTPUT.PUT_LINE('Employee Information:');
DBMS_OUTPUT.PUT_LINE('----------------------');
DBMS_OUTPUT.PUT_LINE('Employee Number: ' || v_empno);
DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_ename);
DBMS_OUTPUT.PUT_LINE('Job: ' || v_job);
DBMS_OUTPUT.PUT_LINE('Salary: ' || v_sal);
DBMS_OUTPUT.PUT_LINE('Commission: ' || v_comm);
IF v_comm IS NULL THEN
v_comm := 0;
END IF;
DBMS_OUTPUT.PUT_LINE('Total Earnings: ' || (v_sal + v_comm));
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('Employee not found.');
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM);
END;
|
DECLARE
@v_emp_id VARCHAR(10);
v_emp_name dbo.VARCHAR2(100);
v_salary NUMBER;
BEGIN
SET @v_emp_id = 'E001';
SELECT @v_emp_name = ename, @v_salary = sal
FROM emp
WHERE empno = @v_emp_id;
DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(v_emp_name, ''));
DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(v_salary, ''));
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No data found for Employee ID: ' + isnull(@v_emp_id, ''));
END
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, ''));
END;
|
DECLARE
v_emp_id VARCHAR2(10);
v_emp_name VARCHAR2(100);
v_salary NUMBER;
BEGIN
v_emp_id := 'E001';
SELECT ename, sal
INTO v_emp_name, v_salary
FROM emp
WHERE empno = v_emp_id;
DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_emp_name);
DBMS_OUTPUT.PUT_LINE('Salary: ' || v_salary);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No data found for Employee ID: ' || v_emp_id);
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM);
END;
|
IF OBJECT_ID('some_proc', 'P') IS NOT NULL
DROP PROCEDURE some_proc;
GO
CREATE PROCEDURE some_proc(
@p_input IN AS NUMBER,
p_output OUT NUMBER)
IS
v_temp NUMBER;
BEGIN
SELECT @v_temp = SUM(col1) FROM some_table WHERE col2 = p_input;
set @p_output = v_temp + 10;
IF @@FETCH_STATUS <> 0 BEGIN
RAISERROR('-20001 No data found for input value.', 16, 1);
END
END some_proc;
|
CREATE OR REPLACE PROCEDURE some_proc(
p_input IN NUMBER,
p_output OUT NUMBER)
IS
v_temp NUMBER;
BEGIN
SELECT SUM(col1) INTO v_temp FROM some_table WHERE col2 = p_input;
p_output := v_temp + 10;
EXCEPTION
WHEN NO_DATA_FOUND THEN
RAISE_APPLICATION_ERROR(-20001, 'No data found for input value.');
END some_proc;
|
CREATE PROCEDURE GetEmployeeSalary(@EmpId FLOAT) AS
Salary NUMBER;
BEGIN
SELECT @Salary = Salary FROM Employees WHERE EmployeeId = @EmpId;
IF Salary IS NULL BEGIN
RAISERROR('-20001 Employee not found', 16, 1);
END
RETURN Salary;
END;
|
CREATE PROCEDURE GetEmployeeSalary(@EmpId NUMBER) AS
Salary NUMBER;
BEGIN
SELECT Salary INTO Salary FROM Employees WHERE EmployeeId = @EmpId;
IF Salary IS NULL THEN
RAISE_APPLICATION_ERROR(-20001, 'Employee not found');
END IF;
RETURN Salary;
END;
|
DECLARE
@dob DATE;
ename dbo.VARCHAR2(20);
BEGIN
SELECT @ename = ename, @dob = @dob FROM employees WHERE empno = 10;
DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(ename, ''));
DBMS_OUTPUT.PUT_LINE('Date of Birth: ' + isnull(@dob, ''));
IF @dob > GETDATE() BEGIN
RAISERROR('-20001 Date of birth cannot be in the future', 16, 1);
END
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('Employee not found');
END
END;
|
DECLARE
dob DATE;
ename VARCHAR2(20);
BEGIN
SELECT ename, dob INTO ename, dob FROM employees WHERE empno = 10;
DBMS_OUTPUT.PUT_LINE('Employee Name: ' || ename);
DBMS_OUTPUT.PUT_LINE('Date of Birth: ' || dob);
IF dob > SYSDATE THEN
RAISE_APPLICATION_ERROR(-20001, 'Date of birth cannot be in the future');
END IF;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('Employee not found');
END;
|
CREATE FUNCTION get_employee_salary(@emp_id IN NUMBERDECLARE ) RETURN
BEGIN NUMBER
RETURN NULL;
END; IS
salary NUMBER;
BEGIN
SELECT @salary = salary FROM employees WHERE employee_id = emp_id;
RETURN salary;
IF @@FETCH_STATUS <> 0 BEGIN
RETURN NULL;
END
END;
|
CREATE FUNCTION get_employee_salary(emp_id IN NUMBER) RETURN NUMBER IS
salary NUMBER;
BEGIN
SELECT salary INTO salary FROM employees WHERE employee_id = emp_id;
RETURN salary;
EXCEPTION
WHEN NO_DATA_FOUND THEN
RETURN NULL;
END;
|
CREATE TABLE employees (
employee_id INT NOT NULL PRIMARY KEY,
first_name VARCHAR(255) NOT NULL,
last_name VARCHAR(255) NOT NULL,
salary DECIMAL(8,2) NOT NULL
);
INSERT INTO employees (employee_id, first_name, last_name, salary) VALUES (100, 'John', 'Doe', 10000);
INSERT INTO employees (employee_id, first_name, last_name, salary) VALUES (101, 'Jane', 'Smith', 12000);
CREATE PROCEDURE get_employee_by_id (
@p_employee_id IN AS NUMBER,
OUT emp_record OUT employees%ROWTYPE
) AS
BEGIN
SELECT @emp_record = *
FROM employees
WHERE employee_id = p_employee_id;
END;
DECLARE
BEGIN
dbo.get_employee_by_id(100, @emp);
DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(@emp_employee_id, ''));
DBMS_OUTPUT.PUT_LINE('First Name: ' + isnull(@emp_first_name, ''));
DBMS_OUTPUT.PUT_LINE('Last Name: ' + isnull(@emp_last_name, ''));
DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(@emp_salary, ''));
END;
BEGIN
DELETE FROM employees
WHERE employee_id IN (100, 101);
END;
BEGIN
RAISERROR('-20001 Cannot delete non-existent employee', 16, 1);
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error occurred: ' + ISNULL(@@ERROR, '') + ' - ' + ISNULL(SQLERRM, ''));
END;
|
CREATE TABLE employees (
employee_id NUMBER(6) NOT NULL PRIMARY KEY,
first_name VARCHAR2(255) NOT NULL,
last_name VARCHAR2(255) NOT NULL,
salary NUMBER(8,2) NOT NULL
);
INSERT INTO employees (employee_id, first_name, last_name, salary) VALUES (100, 'John', 'Doe', 10000);
INSERT INTO employees (employee_id, first_name, last_name, salary) VALUES (101, 'Jane', 'Smith', 12000);
CREATE PROCEDURE get_employee_by_id (
p_employee_id IN NUMBER,
OUT emp_record OUT employees%ROWTYPE
) AS
BEGIN
SELECT * INTO emp_record
FROM employees
WHERE employee_id = p_employee_id;
END;
DECLARE
emp employees%ROWTYPE;
BEGIN
get_employee_by_id(100, emp);
DBMS_OUTPUT.PUT_LINE('Employee ID: ' || emp.employee_id);
DBMS_OUTPUT.PUT_LINE('First Name: ' || emp.first_name);
DBMS_OUTPUT.PUT_LINE('Last Name: ' || emp.last_name);
DBMS_OUTPUT.PUT_LINE('Salary: ' || emp.salary);
END;
BEGIN
DELETE FROM employees
WHERE employee_id IN (100, 101);
END;
BEGIN
RAISE_APPLICATION_ERROR(-20001, 'Cannot delete non-existent employee');
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error occurred: ' || SQLCODE || ' - ' || SQLERRM);
END;
|
DECLARE
*** o retrieve rows from a table
@CURSOR emp_cursor IS
SELECT emp_id, emp_name FROM employees;
*** the cursor result
rec employee%ROWTYPE;
BEGIN
-- Op... SQLINES DEMO ***
OPEN emp_cursor;
*** cursor results
WHILE 1=1 BEGIN
FETCH emp_cursor INTO @rec;
*** no more rows are available
EXIT WHEN rec.emp_id IS NULL;
*** the retrieved data
DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(rec.emp_id, '') + ', Employee Name: ' + isnull(rec.emp_name, ''));
END;
-- Cl... SQLINES DEMO ***
CLOSE emp_cursor;
END;
|
DECLARE
-- Define a cursor to retrieve rows from a table
CURSOR emp_cursor IS
SELECT emp_id, emp_name FROM employees;
-- Variable to store the cursor result
rec employee%ROWTYPE;
BEGIN
-- Open the cursor
OPEN emp_cursor;
-- Loop through the cursor results
LOOP
FETCH emp_cursor INTO rec;
-- Exit the loop if no more rows are available
EXIT WHEN rec.emp_id IS NULL;
-- Do something with the retrieved data
DBMS_OUTPUT.PUT_LINE('Employee ID: ' || rec.emp_id || ', Employee Name: ' || rec.emp_name);
END LOOP;
-- Close the cursor
CLOSE emp_cursor;
END;
|
CREATE PROCEDURE GetCustomerInfo(@customer_id FLOAT)
AS
customer_name dbo.VARCHAR2(50);
BEGIN
SELECT @customer_name = name FROM customers WHERE customer_id = customer_id;
DBMS_OUTPUT.PUT_LINE('Customer name: ' + isnull(customer_name, ''));
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No customer found with the given ID.');
END
END;
|
CREATE PROCEDURE GetCustomerInfo(customer_id NUMBER)
AS
customer_name VARCHAR2(50);
BEGIN
SELECT name INTO customer_name FROM customers WHERE customer_id = customer_id;
DBMS_OUTPUT.PUT_LINE('Customer name: ' || customer_name);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No customer found with the given ID.');
END;
|
IF OBJECT_ID('get_order_total', 'FN') IS NOT NULL
DROP FUNCTION get_order_total;
GO
CREATE FUNCTION get_order_total(@order_id IN NUMBERDECLARE ) RETURN
BEGIN NUMBER
RETURN NULL;
END; IS
order_total NUMBER;
BEGIN
SELECT @order_total = SUM(quantity * price)
FROM order_details
WHERE order_id = order_id;
RETURN order_total;
END;
/
BEGIN
DECLARE
@order_id FLOAT;
order_total NUMBER;
BEGIN
SET @order_id = 1001;
SET @order_total = dbo.get_order_total(@order_id);
DBMS_OUTPUT.PUT_LINE('Order total for order ' + isnull(@order_id, '') + ': ' + isnull(order_total, ''));
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error getting order total: ' + ISNULL(SQLERRM, ''));
END;
END;
/
|
CREATE OR REPLACE FUNCTION get_order_total(order_id IN NUMBER) RETURN NUMBER IS
order_total NUMBER;
BEGIN
SELECT SUM(quantity * price) INTO order_total
FROM order_details
WHERE order_id = order_id;
RETURN order_total;
END;
/
BEGIN
DECLARE
order_id NUMBER;
order_total NUMBER;
BEGIN
order_id := 1001;
order_total := get_order_total(order_id);
DBMS_OUTPUT.PUT_LINE('Order total for order ' || order_id || ': ' || order_total);
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error getting order total: ' || SQLERRM);
END;
END;
/
|
*** to Insert a New Employee
IF OBJECT_ID('insert_employee', 'P') IS NOT NULL
DROP PROCEDURE insert_employee;
GO
CREATE PROCEDURE insert_employee
(
@p_first_name IN AS VARCHAR2,
p_last_name IN VARCHAR2,
p_email IN VARCHAR2,
p_salary IN NUMBER
)
AS
BEGIN
*** to Add New Employee
INSERT INTO employees (first_name, last_name, email, salary)
VALUES (p_first_name, p_last_name, p_email, p_salary);
END;
*** d Procedure
BEGIN
dbo.insert_employee('John', 'Smith', 'john.smith@company.com', 50000);
END;
*** late Employee Bonus
IF OBJECT_ID('get_bonus', 'FN') IS NOT NULL
DROP FUNCTION get_bonus;
GO
CREATE FUNCTION get_bonus
(
@p_salary IN NUMBER
DECLARE )
RETURN
BEGIN NUMBER
RETURN NULL;
END;
IS
v_bonus SET @NUMBER = 0;
BEGIN
IF p_salary >= 50000 BEGIN
set @v_bonus = 0.1 * p_salary;
END
ELSE BEGIN
set @v_bonus = 0;
END
RETURN v_bonus;
END;
*** truct
IF dbo.get_bonus(50000) > 0 BEGIN
DBMS_OUTPUT.PUT_LINE('Employee is eligible for bonus.');
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('Employee is not eligible for bonus.');
END
*** th Exception Handling
BEGIN
-- Tr... SQLINES DEMO ***
SELECT * FROM non_existing_table;
-- Ca... SQLINES DEMO ***
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No data found in the table.');
END
END;
|
-- Stored Procedure to Insert a New Employee
CREATE OR REPLACE PROCEDURE insert_employee
(
p_first_name IN VARCHAR2,
p_last_name IN VARCHAR2,
p_email IN VARCHAR2,
p_salary IN NUMBER
)
AS
BEGIN
-- Insert Statement to Add New Employee
INSERT INTO employees (first_name, last_name, email, salary)
VALUES (p_first_name, p_last_name, p_email, p_salary);
END;
-- Calling the Stored Procedure
BEGIN
insert_employee('John', 'Smith', 'john.smith@company.com', 50000);
END;
-- Function to Calculate Employee Bonus
CREATE OR REPLACE FUNCTION get_bonus
(
p_salary IN NUMBER
)
RETURN NUMBER
IS
v_bonus NUMBER := 0;
BEGIN
IF p_salary >= 50000 THEN
v_bonus := 0.1 * p_salary;
ELSE
v_bonus := 0;
END IF;
RETURN v_bonus;
END;
-- Control Flow Construct
IF get_bonus(50000) > 0 THEN
DBMS_OUTPUT.PUT_LINE('Employee is eligible for bonus.');
ELSE
DBMS_OUTPUT.PUT_LINE('Employee is not eligible for bonus.');
END IF;
-- Error Handling with Exception Handling
BEGIN
-- Try Block
SELECT * FROM non_existing_table;
EXCEPTION
-- Catch Block
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No data found in the table.');
END;
|
IF OBJECT_ID('get_product_name', 'FN') IS NOT NULL
DROP FUNCTION get_product_name;
GO
CREATE FUNCTION get_product_name (@product_id IN NUMBERDECLARE )
RETURN
BEGIN VARCHAR2
RETURN NULL;
END;
AS
product_name dbo.VARCHAR2(100);
BEGIN
SELECT @product_name = product_name FROM products WHERE product_id = product_id;
RETURN product_name;
IF @@FETCH_STATUS <> 0 BEGIN
RETURN NULL;
END
END;
DECLARE
@product_name VARCHAR(100);
BEGIN
SET @product_name = dbo.get_product_name(100);
IF @product_name IS NULL BEGIN
DBMS_OUTPUT.PUT_LINE('Product not found');
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('Product name: ' + isnull(@product_name, ''));
END
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, ''));
END;
|
CREATE OR REPLACE FUNCTION get_product_name (product_id IN NUMBER)
RETURN VARCHAR2
AS
product_name VARCHAR2(100);
BEGIN
SELECT product_name INTO product_name FROM products WHERE product_id = product_id;
RETURN product_name;
EXCEPTION
WHEN NO_DATA_FOUND THEN
RETURN NULL;
END;
DECLARE
product_name VARCHAR2(100);
BEGIN
product_name := get_product_name(100);
IF product_name IS NULL THEN
DBMS_OUTPUT.PUT_LINE('Product not found');
ELSE
DBMS_OUTPUT.PUT_LINE('Product name: ' || product_name);
END IF;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM);
END;
|
IF OBJECT_ID('calculate_salary', 'P') IS NOT NULL
DROP PROCEDURE calculate_salary;
GO
CREATE PROCEDURE calculate_salary(@emp_id IN AS NUMBER) AS
salary NUMBER;
BEGIN
*** for the given employee ID
SELECT @salary = salary
FROM employees
WHERE employee_id = emp_id;
*** ary with a 10% bonus
set @salary = salary * 1.10;
*** in the database
UPDATE employees
SET salary = salary
WHERE employee_id = emp_id;
-- Co... SQLINES DEMO ***
COMMIT;
*** that may occur during the process
IF @@FETCH_STATUS <> 0 BEGIN
RAISERROR('-20001 Employee not found', 16, 1);
END
WHEN UPDATE_FAILED THEN
RAISERROR('-20002 Failed to update salary', 16, 1);
END calculate_salary;
|
CREATE OR REPLACE PROCEDURE calculate_salary(emp_id IN NUMBER) AS
salary NUMBER;
BEGIN
-- Fetch the salary for the given employee ID
SELECT salary
INTO salary
FROM employees
WHERE employee_id = emp_id;
-- Calculate the salary with a 10% bonus
salary := salary * 1.10;
-- Update the salary in the database
UPDATE employees
SET salary = salary
WHERE employee_id = emp_id;
-- Commit the changes
COMMIT;
-- Handle any errors that may occur during the process
EXCEPTION
WHEN NO_DATA_FOUND THEN
RAISE_APPLICATION_ERROR(-20001, 'Employee not found');
WHEN UPDATE_FAILED THEN
RAISE_APPLICATION_ERROR(-20002, 'Failed to update salary');
END calculate_salary;
|
DECLARE
@v_empno FLOAT;
BEGIN
SET @v_empno = 7839;
BEGIN
UPDATE employees
SET salary = salary * 1.1
WHERE employee_id = @v_empno;
COMMIT;
DBMS_OUTPUT.PUT_LINE('Salary updated successfully');
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
DBMS_OUTPUT.PUT_LINE('Error updating salary: ' + ISNULL(SQLERRM, ''));
END;
END; | DECLARE
v_empno NUMBER;
BEGIN
v_empno := 7839;
BEGIN
UPDATE employees
SET salary = salary * 1.1
WHERE employee_id = v_empno;
COMMIT;
DBMS_OUTPUT.PUT_LINE('Salary updated successfully');
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
DBMS_OUTPUT.PUT_LINE('Error updating salary: ' || SQLERRM);
END;
END; |
DECLARE
@CURSOR employee_data IS
SELECT * FROM employees;
BEGIN
DECLARE e CURSOR FOR employee_data LOOP
UPDATE employees SET salary = salary * 1.10 WHERE employee_id = @e_employee_id;
COMMIT;
FETCH e INTO;
END;
CLOSE e;
DEALLOCATE e;
IF @@ERROR != 0 BEGIN
RAISERROR('-20000 Error updating salaries', 16, 1);
END
END;
/ | DECLARE
CURSOR employee_data IS
SELECT * FROM employees;
BEGIN
FOR e IN employee_data LOOP
UPDATE employees SET salary = salary * 1.10 WHERE employee_id = e.employee_id;
COMMIT;
END LOOP;
IF SQLCODE != 0 THEN
RAISE_APPLICATION_ERROR(-20000, 'Error updating salaries');
END IF;
END;
/ |
DECLARE
@v_deptno FLOAT;
BEGIN
SELECT @v_deptno = deptno FROM emp WHERE empno = 10;
INSERT INTO dept (deptno, dname) VALUES (@v_deptno, 'New Department');
COMMIT;
EXCEPTION
WHEN DUP_VAL_ON_INDEX THEN
ROLLBACK;
RAISERROR('-20001 Department number already exists', 16, 1);
END; | DECLARE
v_deptno NUMBER;
BEGIN
SELECT deptno INTO v_deptno FROM emp WHERE empno = 10;
INSERT INTO dept (deptno, dname) VALUES (v_deptno, 'New Department');
COMMIT;
EXCEPTION
WHEN DUP_VAL_ON_INDEX THEN
ROLLBACK;
RAISE_APPLICATION_ERROR(-20001, 'Department number already exists');
END; |
DECLARE
v_cur CURSOR FOR SELECT * FROM employees;
v_emp_ID employees.employee_id%TYPE;
v_emp_name employees.first_name%TYPE;
BEGIN
OPEN v_cur;
FETCH v_cur INTO @v_emp_ID, @v_emp_name;
WHILE v_cur%FOUND BEGIN
DBMS_OUTPUT.PUT_LINE(ISNULL(v_emp_ID, '') + ' - ' + isnull(v_emp_name, ''));
FETCH v_cur INTO @v_emp_ID, @v_emp_name;
END;
CLOSE v_cur;
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No data found in employees table.');
END
END;
|
DECLARE
v_cur CURSOR FOR SELECT * FROM employees;
v_emp_ID employees.employee_id%TYPE;
v_emp_name employees.first_name%TYPE;
BEGIN
OPEN v_cur;
FETCH v_cur INTO v_emp_ID, v_emp_name;
WHILE v_cur%FOUND LOOP
DBMS_OUTPUT.PUT_LINE(v_emp_ID || ' - ' || v_emp_name);
FETCH v_cur INTO v_emp_ID, v_emp_name;
END LOOP;
CLOSE v_cur;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No data found in employees table.');
END;
|
DECLARE
@emp_id INT;
salary ROW_NUMBER(10,2);
BEGIN
SELECT @emp_id = employee_id, @salary = salary FROM employees WHERE last_name = 'Smith';
IF salary > 50000 BEGIN
UPDATE employees SET salary = salary * 1.10 WHERE employee_id = @emp_id;
COMMIT;
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('Salary is not high enough for raise.');
END
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No employee found with last name Smith.');
END
END;
|
DECLARE
emp_id NUMBER(6);
salary NUMBER(10,2);
BEGIN
SELECT employee_id, salary INTO emp_id, salary FROM employees WHERE last_name = 'Smith';
IF salary > 50000 THEN
UPDATE employees SET salary = salary * 1.10 WHERE employee_id = emp_id;
COMMIT;
ELSE
DBMS_OUTPUT.PUT_LINE('Salary is not high enough for raise.');
END IF;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No employee found with last name Smith.');
END;
|
DECLARE
@v_empno FLOAT;
v_ename dbo.VARCHAR2(20);
BEGIN
SELECT @v_ename = ename FROM emp WHERE empno = 7369;
IF v_ename IS NULL BEGIN
RAISERROR('-20001 Employee not found', 16, 1);
END
DBMS_OUTPUT.PUT_LINE('Employee name: ' + isnull(v_ename, ''));
DBMS_OUTPUT.PUT_LINE('Creating procedure to update employee name...');
IF OBJECT_ID('update_emp_name', 'P') IS NOT NULL
DROP PROCEDURE update_emp_name;
GO
CREATE PROCEDURE update_emp_name(
@p_empno IN AS NUMBER,
p_ename IN VARCHAR2
)
IS
BEGIN
UPDATE emp SET ename = p_ename WHERE empno = p_empno;
END;
/
DBMS_OUTPUT.PUT_LINE('Procedure created successfully.');
EXECUTE dbo.update_emp_name(7369, 'Smith');
SELECT @v_ename = ename FROM emp WHERE empno = 7369;
DBMS_OUTPUT.PUT_LINE('Employee name updated to: ' + isnull(v_ename, ''));
DBMS_OUTPUT.PUT_LINE('Dropping procedure...');
DROP PROCEDURE update_emp_name;
DBMS_OUTPUT.PUT_LINE('Procedure dropped successfully.');
END;
|
DECLARE
v_empno NUMBER;
v_ename VARCHAR2(20);
BEGIN
SELECT ename INTO v_ename FROM emp WHERE empno = 7369;
IF v_ename IS NULL THEN
RAISE_APPLICATION_ERROR(-20001, 'Employee not found');
END IF;
DBMS_OUTPUT.PUT_LINE('Employee name: ' || v_ename);
DBMS_OUTPUT.PUT_LINE('Creating procedure to update employee name...');
CREATE OR REPLACE PROCEDURE update_emp_name(
p_empno IN NUMBER,
p_ename IN VARCHAR2
)
IS
BEGIN
UPDATE emp SET ename = p_ename WHERE empno = p_empno;
END;
/
DBMS_OUTPUT.PUT_LINE('Procedure created successfully.');
EXECUTE update_emp_name(7369, 'Smith');
SELECT ename INTO v_ename FROM emp WHERE empno = 7369;
DBMS_OUTPUT.PUT_LINE('Employee name updated to: ' || v_ename);
DBMS_OUTPUT.PUT_LINE('Dropping procedure...');
DROP PROCEDURE update_emp_name;
DBMS_OUTPUT.PUT_LINE('Procedure dropped successfully.');
END;
|
BEGIN
DECLARE record CURSOR FOR
SELECT *
FROM employees
ORDER BY last_name;
OPEN record;
FETCH record INTO;
WHILE @@FETCH_STATUS=0
BEGIN
dbms_output.put_line('Employee: ' + isnull(@record_last_name, '') + ', ' + isnull(@record_first_name, ''));
FETCH record INTO;
END;
CLOSE record;
DEALLOCATE record;
END;
/
|
BEGIN
FOR record IN (
SELECT *
FROM employees
ORDER BY last_name
) LOOP
dbms_output.put_line('Employee: ' || record.last_name || ', ' || record.first_name);
END LOOP;
END;
/
|
IF OBJECT_ID('get_max_salary', 'FN') IS NOT NULL
DROP FUNCTION get_max_salary;
GO
CREATE FUNCTION get_max_salary(@deptno IN NUMBERDECLARE ) RETURN
BEGIN NUMBER
RETURN NULL;
END; IS
max_sal NUMBER;
BEGIN
SELECT @max_sal = MAX(salary) FROM emp WHERE deptno = deptno;
RETURN max_sal;
END;
/
BEGIN
DECLARE
@v_max_salary FLOAT;
BEGIN
SET @v_max_salary = dbo.get_max_salary(20);
IF @@FETCH_STATUS <> 0 BEGIN
raiserror('-20001 No salary found for department 20', 16, 1);
END
END;
DBMS_OUTPUT.PUT_LINE('Maximum salary for department 20 is: ' + isnull(@v_max_salary, ''));
END;
/
|
CREATE OR REPLACE FUNCTION get_max_salary(deptno IN NUMBER) RETURN NUMBER IS
max_sal NUMBER;
BEGIN
SELECT MAX(salary) INTO max_sal FROM emp WHERE deptno = deptno;
RETURN max_sal;
END;
/
BEGIN
DECLARE
v_max_salary NUMBER;
BEGIN
v_max_salary := get_max_salary(20);
EXCEPTION
WHEN NO_DATA_FOUND THEN
raise_application_error(-20001, 'No salary found for department 20');
END;
DBMS_OUTPUT.PUT_LINE('Maximum salary for department 20 is: ' || v_max_salary);
END;
/
|
DECLARE
@v_salary FLOAT;
BEGIN
SELECT @v_salary = salary FROM employees WHERE employee_id = 1;
IF @v_salary > 10000 BEGIN
UPDATE employees SET salary = @v_salary * 1.1 WHERE employee_id = 1;
END
ELSE BEGIN
RAISERROR('-20001 Salary too low for raise', 16, 1);
END
END;
|
DECLARE
v_salary NUMBER;
BEGIN
SELECT salary INTO v_salary FROM employees WHERE employee_id = 1;
IF v_salary > 10000 THEN
UPDATE employees SET salary = v_salary * 1.1 WHERE employee_id = 1;
ELSE
RAISE_APPLICATION_ERROR(-20001, 'Salary too low for raise');
END IF;
END;
|
CREATE PROCEDURE sp_demo(@p_id IN AS NUMBER, OUT p_name OUT VARCHAR2) IS
BEGIN
SELECT @p_name = name FROM employees WHERE id = p_id;
IF @@FETCH_STATUS <> 0 BEGIN
set @p_name = NULL;
END
END;
DECLARE
@v_id FLOAT := 10;
v_name dbo.VARCHAR2(100);
BEGIN
dbo.sp_demo(@v_id, v_name);
DBMS_OUTPUT.PUT_LINE(v_name);
END;
BEGIN
BEGIN
IF 1 / 0 BEGIN
DBMS_OUTPUT.PUT_LINE('This line should not be printed');
END
EXCEPTION
WHEN DIVISION_BY_ZERO THEN
DBMS_OUTPUT.PUT_LINE('Division by zero error occurred');
END;
END;
|
CREATE PROCEDURE sp_demo(p_id IN NUMBER, OUT p_name OUT VARCHAR2) IS
BEGIN
SELECT name INTO p_name FROM employees WHERE id = p_id;
EXCEPTION
WHEN NO_DATA_FOUND THEN
p_name := NULL;
END;
DECLARE
v_id NUMBER := 10;
v_name VARCHAR2(100);
BEGIN
sp_demo(v_id, v_name);
DBMS_OUTPUT.PUT_LINE(v_name);
END;
BEGIN
BEGIN
IF 1 / 0 THEN
DBMS_OUTPUT.PUT_LINE('This line should not be printed');
END;
EXCEPTION
WHEN DIVISION_BY_ZERO THEN
DBMS_OUTPUT.PUT_LINE('Division by zero error occurred');
END;
END;
|
IF OBJECT_ID('update_employee', 'P') IS NOT NULL
DROP PROCEDURE update_employee;
GO
CREATE PROCEDURE update_employee(
@p_employee_id IN AS NUMBER,
p_salary IN NUMBER)
AS
e_salary NUMBER;
BEGIN
SELECT @e_salary = salary
FROM employee
WHERE employee_id = p_employee_id;
IF e_salary IS NULL BEGIN
RAISERROR('-20001 Employee not found', 16, 1);
END
UPDATE employee
SET salary = p_salary
WHERE employee_id = p_employee_id;
COMMIT;
END;
/
DECLARE
@updated_rows FLOAT;
BEGIN
SET @updated_rows = 0;
DECLARE emp_rec CURSOR FOR SELECT employee_id, salary
FROM employee;
OPEN emp_rec;
FETCH emp_rec INTO;
WHILE @@FETCH_STATUS=0
BEGIN
BEGIN
dbo.update_employee(@emp_rec_employee_id, @emp_rec_salary * 1.10);
SET @updated_rows = @updated_rows + 1;
EXCEPTION
WHEN others THEN
NULL;
END;
FETCH emp_rec INTO;
END;
CLOSE emp_rec;
DEALLOCATE emp_rec;
DBMS_OUTPUT.put_line('Updated ' + isnull(@updated_rows, '') + ' rows.');
END;
/
|
CREATE OR REPLACE PROCEDURE update_employee(
p_employee_id IN NUMBER,
p_salary IN NUMBER)
AS
e_salary NUMBER;
BEGIN
SELECT salary INTO e_salary
FROM employee
WHERE employee_id = p_employee_id;
IF e_salary IS NULL THEN
RAISE_APPLICATION_ERROR(-20001, 'Employee not found');
END IF;
UPDATE employee
SET salary = p_salary
WHERE employee_id = p_employee_id;
COMMIT;
END;
/
DECLARE
updated_rows NUMBER;
BEGIN
updated_rows := 0;
FOR emp_rec IN (SELECT employee_id, salary
FROM employee)
LOOP
BEGIN
update_employee(emp_rec.employee_id, emp_rec.salary * 1.10);
updated_rows := updated_rows + 1;
EXCEPTION
WHEN others THEN
NULL;
END;
END LOOP;
DBMS_OUTPUT.put_line('Updated ' || updated_rows || ' rows.');
END;
/
|
DECLARE
@num_employees FLOAT;
BEGIN
*** of employees
SELECT @num_employees = COUNT(*) FROM employees;
*** employees is greater than 100, display a message
IF @num_employees > 100 BEGIN
DBMS_OUTPUT.PUT_LINE('There are over 100 employees.');
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('There are less than 100 employees.');
END
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No employees found.');
END
END;
|
DECLARE
num_employees NUMBER;
BEGIN
-- Count the number of employees
SELECT COUNT(*) INTO num_employees FROM employees;
-- If the number of employees is greater than 100, display a message
IF num_employees > 100 THEN
DBMS_OUTPUT.PUT_LINE('There are over 100 employees.');
ELSE
DBMS_OUTPUT.PUT_LINE('There are less than 100 employees.');
END IF;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No employees found.');
END;
|
DECLARE
@v_emp_id FLOAT;
v_emp_name dbo.VARCHAR2(100);
v_salary NUMBER;
v_dept_id NUMBER;
BEGIN
SELECT @v_emp_id = emp_id, @v_emp_name = emp_name, @v_salary = salary, @v_dept_id = dept_id
FROM employees
WHERE emp_id = 100;
IF v_salary > 50000 BEGIN
RAISERROR('-20001 Salary is too high.', 16, 1);
END
UPDATE employees SET salary = v_salary + 1000
WHERE emp_id = @v_emp_id;
COMMIT;
EXCEPTION
WHEN OTHERS THEN
-- Ha... SQLINES DEMO ***
END;
|
DECLARE
v_emp_id NUMBER;
v_emp_name VARCHAR2(100);
v_salary NUMBER;
v_dept_id NUMBER;
BEGIN
SELECT emp_id, emp_name, salary, dept_id INTO v_emp_id, v_emp_name, v_salary, v_dept_id
FROM employees
WHERE emp_id = 100;
IF v_salary > 50000 THEN
RAISE_APPLICATION_ERROR(-20001, 'Salary is too high.');
END IF;
UPDATE employees SET salary = v_salary + 1000
WHERE emp_id = v_emp_id;
COMMIT;
EXCEPTION
WHEN OTHERS THEN
-- Handle errors here
END;
|
BEGIN
BEGIN
INSERT INTO employees (employee_id, last_name, first_name, email, phone_number)
VALUES (7, 'King', 'Robert', 'rking@starkindustries.com', '555-1212');
EXCEPTION
WHEN DUP_VAL_ON_INDEX THEN
DBMS_OUTPUT.put_line('Duplicate employee ID.');
END;
BEGIN
UPDATE employees SET email = 'rking@avengers.com'
WHERE employee_id = 7;
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.put_line('Employee not found.');
END
END;
BEGIN
DELETE FROM employees WHERE employee_id = 7;
EXCEPTION
WHEN CONSTRAINT_VIOLATION THEN
DBMS_OUTPUT.put_line('Employee has pending orders.');
END;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.put_line('An unexpected error occurred.');
END;
|
BEGIN
BEGIN
INSERT INTO employees (employee_id, last_name, first_name, email, phone_number)
VALUES (7, 'King', 'Robert', 'rking@starkindustries.com', '555-1212');
EXCEPTION
WHEN DUP_VAL_ON_INDEX THEN
DBMS_OUTPUT.put_line('Duplicate employee ID.');
END;
BEGIN
UPDATE employees SET email = 'rking@avengers.com'
WHERE employee_id = 7;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.put_line('Employee not found.');
END;
BEGIN
DELETE FROM employees WHERE employee_id = 7;
EXCEPTION
WHEN CONSTRAINT_VIOLATION THEN
DBMS_OUTPUT.put_line('Employee has pending orders.');
END;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.put_line('An unexpected error occurred.');
END;
|
IF OBJECT_ID('get_employee_details', 'FN') IS NOT NULL
DROP FUNCTION get_employee_details;
GO
CREATE FUNCTION get_employee_details(@p_emp_id IN NUMBERDECLARE )
RETURN
BEGIN SYS_REFCURSOR
RETURN NULL;
END;
AS
emp_details SYS_REFCURSOR;
BEGIN
SELECT * FROM employees WHERE employee_id = p_emp_id;
RETURN emp_details;
END;
/
BEGIN
DECLARE
@emp_id FLOAT := 100;
emp_details SYS_REFCURSOR;
BEGIN
SET @emp_details = dbo.get_employee_details(@emp_id);
WHILE 1=1 BEGIN
FETCH emp_details INTO @emp_id;
IF @@FETCH_STATUS <> 0 BREAK;
DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(@emp_id, ''));
END;
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('No employee found with ID: ' + isnull(@emp_id, ''));
END
END;
END;
/
|
CREATE OR REPLACE FUNCTION get_employee_details(p_emp_id IN NUMBER)
RETURN SYS_REFCURSOR
AS
emp_details SYS_REFCURSOR;
BEGIN
OPEN emp_details FOR
SELECT * FROM employees WHERE employee_id = p_emp_id;
RETURN emp_details;
END;
/
BEGIN
DECLARE
emp_id NUMBER := 100;
emp_details SYS_REFCURSOR;
BEGIN
emp_details := get_employee_details(emp_id);
LOOP
FETCH emp_details INTO emp_id;
EXIT WHEN emp_details%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('Employee ID: ' || emp_id);
END LOOP;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('No employee found with ID: ' || emp_id);
END;
END;
/
|
BEGIN
-- De... SQLINES DEMO ***
DECLARE
@v_emp_id FLOAT;
v_salary NUMBER;
BEGIN
*** nd salary
SELECT @v_emp_id = emp_id, @v_salary = salary
FROM employees
WHERE last_name = 'Smith';
*** exists
IF @v_emp_id IS NULL BEGIN
RAISERROR('-20001 Employee not found', 16, 1);
END
-- Up... SQLINES DEMO ***
UPDATE employees
SET salary = v_salary * 1.10
WHERE emp_id = @v_emp_id;
-- Co... SQLINES DEMO ***
COMMIT;
*** ssage
DBMS_OUTPUT.PUT_LINE('Salary updated successfully.');
EXCEPTION
WHEN OTHERS THEN
-- Ha... SQLINES DEMO ***
DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, ''));
ROLLBACK;
RAISE;
END;
END; | BEGIN
-- Declare variables
DECLARE
v_emp_id NUMBER;
v_salary NUMBER;
BEGIN
-- Get employee ID and salary
SELECT emp_id, salary
INTO v_emp_id, v_salary
FROM employees
WHERE last_name = 'Smith';
-- Check if employee exists
IF v_emp_id IS NULL THEN
RAISE_APPLICATION_ERROR(-20001, 'Employee not found');
END IF;
-- Update salary
UPDATE employees
SET salary = v_salary * 1.10
WHERE emp_id = v_emp_id;
-- Commit changes
COMMIT;
-- Output success message
DBMS_OUTPUT.PUT_LINE('Salary updated successfully.');
EXCEPTION
WHEN OTHERS THEN
-- Handle error
DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM);
ROLLBACK;
RAISE;
END;
END; |
CREATE PROCEDURE create_employee(@emp_id IN AS NUMBER,emp_name IN VARCHAR2,emp_dept IN VARCHAR2,emp_salary IN NUMBER)
IS
BEGIN
*** oyee into the database
INSERT INTO employees(emp_id, emp_name, emp_dept, emp_salary)
VALUES (emp_id, emp_name, emp_dept, emp_salary);
*** s to the database
COMMIT;
*** message
DBMS_OUTPUT.PUT_LINE('Employee created successfully.');
END;
|
PROCEDURE create_employee(emp_id IN NUMBER,emp_name IN VARCHAR2,emp_dept IN VARCHAR2,emp_salary IN NUMBER)
IS
BEGIN
-- Insert a new employee into the database
INSERT INTO employees(emp_id, emp_name, emp_dept, emp_salary)
VALUES (emp_id, emp_name, emp_dept, emp_salary);
-- Commit the changes to the database
COMMIT;
-- Output a success message
DBMS_OUTPUT.PUT_LINE('Employee created successfully.');
END;
|
DECLARE
@v_empid FLOAT := 100;
v_salary NUMBER;
BEGIN
SELECT @v_salary = salary FROM employees WHERE employee_id = @v_empid;
IF v_salary > 10000 BEGIN
RAISERROR('-20001 Salary is too high.', 16, 1);
END
ELSE BEGIN
UPDATE employees SET salary = v_salary + 1000 WHERE employee_id = @v_empid;
COMMIT;
END
END; | DECLARE
v_empid NUMBER := 100;
v_salary NUMBER;
BEGIN
SELECT salary INTO v_salary FROM employees WHERE employee_id = v_empid;
IF v_salary > 10000 THEN
RAISE_APPLICATION_ERROR(-20001, 'Salary is too high.');
ELSE
UPDATE employees SET salary = v_salary + 1000 WHERE employee_id = v_empid;
COMMIT;
END IF;
END; |
CREATE FUNCTION GetMaxSalary(@dept_id FLOAT) RETURNS FLOAT AS
BEGIN
DECLARE @max_salary FLOAT;
SELECT @max_salary = MAX(salary) FROM employees WHERE @dept_id = @dept_id;
RETURN @max_salary;
END;
CREATE PROCEDURE InsertEmployee(@emp_id FLOAT, @first_name VARCHAR(4000), @last_name VARCHAR(4000), @email VARCHAR(4000), @dept_id FLOAT) AS
BEGIN
SET NOCOUNT ON;
INSERT INTO employees(emp_id, first_name, last_name, email, dept_id) VALUES (@emp_id, @first_name, @last_name, @email, @dept_id);
EXCEPTION
WHEN OTHERS THEN
RAISERROR('-20101 Error inserting employee data', 16, 1);
END;
BEGIN
DECLARE
@dept_id FLOAT := 20;
max_salary NUMBER;
emp_id SET @NUMBER = 1234;
first_name dbo.VARCHAR2(20) := 'John';
last_name dbo.VARCHAR2(20) := 'Doe';
email dbo.VARCHAR2(50) := 'john.doe@example.com';
BEGIN
SET @max_salary = dbo.GetMaxSalary(@dept_id);
IF max_salary < 10000 BEGIN
dbo.InsertEmployee(emp_id, first_name, last_name, email, @dept_id);
DBMS_OUTPUT.PUT_LINE('Employee inserted successfully');
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('Salary too high, cannot insert employee');
END
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred');
END;
END;
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CREATE FUNCTION GetMaxSalary(dept_id NUMBER) RETURN NUMBER IS
max_salary NUMBER;
BEGIN
SELECT MAX(salary) INTO max_salary FROM employees WHERE dept_id = dept_id;
RETURN max_salary;
END;
CREATE PROCEDURE InsertEmployee(emp_id NUMBER, first_name VARCHAR2, last_name VARCHAR2, email VARCHAR2, dept_id NUMBER) IS
BEGIN
INSERT INTO employees(emp_id, first_name, last_name, email, dept_id) VALUES (emp_id, first_name, last_name, email, dept_id);
EXCEPTION
WHEN OTHERS THEN
RAISE_APPLICATION_ERROR(-20101, 'Error inserting employee data');
END;
BEGIN
DECLARE
dept_id NUMBER := 20;
max_salary NUMBER;
emp_id NUMBER := 1234;
first_name VARCHAR2(20) := 'John';
last_name VARCHAR2(20) := 'Doe';
email VARCHAR2(50) := 'john.doe@example.com';
BEGIN
max_salary := GetMaxSalary(dept_id);
IF max_salary < 10000 THEN
InsertEmployee(emp_id, first_name, last_name, email, dept_id);
DBMS_OUTPUT.PUT_LINE('Employee inserted successfully');
ELSE
DBMS_OUTPUT.PUT_LINE('Salary too high, cannot insert employee');
END IF;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('An error occurred');
END;
END;
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BEGIN
DECLARE
@v_employeeId FLOAT := 100;
v_bonus NUMBER;
BEGIN
SELECT @v_bonus = bonus FROM employees WHERE employee_id = @v_employeeId;
IF v_bonus IS NULL BEGIN
DBMS_OUTPUT.PUT_LINE('No bonus for this employee');
END
ELSE BEGIN
DBMS_OUTPUT.PUT_LINE('Bonus: ' + isnull(v_bonus, ''));
END
IF @@FETCH_STATUS <> 0 BEGIN
DBMS_OUTPUT.PUT_LINE('Employee not found');
END
END;
END; | BEGIN
DECLARE
v_employeeId NUMBER := 100;
v_bonus NUMBER;
BEGIN
SELECT bonus INTO v_bonus FROM employees WHERE employee_id = v_employeeId;
IF v_bonus IS NULL THEN
DBMS_OUTPUT.PUT_LINE('No bonus for this employee');
ELSE
DBMS_OUTPUT.PUT_LINE('Bonus: ' || v_bonus);
END IF;
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('Employee not found');
END;
END; |
DECLARE
@v_empno FLOAT;
v_sal NUMBER;
BEGIN
SELECT @v_empno = empno, @v_sal = sal
FROM emp
WHERE empno = 7839;
IF v_sal > 10000 BEGIN
UPDATE emp
SET sal = sal * 1.10
WHERE empno = @v_empno;
END
ELSE BEGIN
RAISERROR('-20101 Salary is too low to be increased', 16, 1);
END
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
RAISE;
END;
|
DECLARE
v_empno NUMBER;
v_sal NUMBER;
BEGIN
SELECT empno, sal
INTO v_empno, v_sal
FROM emp
WHERE empno = 7839;
IF v_sal > 10000 THEN
UPDATE emp
SET sal = sal * 1.10
WHERE empno = v_empno;
ELSE
RAISE_APPLICATION_ERROR(-20101, 'Salary is too low to be increased');
END IF;
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
RAISE;
END;
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IF OBJECT_ID('get_product_info', 'FN') IS NOT NULL
DROP FUNCTION get_product_info;
GO
CREATE FUNCTION get_product_info(@p_product_id IN NUMBERDECLARE ) RETURN
BEGIN PRODUCT_INFO_TYPE
RETURN NULL;
END; AS
l_product PRODUCT_INFO_TYPE;
BEGIN
SELECT @l_product = product_name, list_price, product_category
FROM products
WHERE product_id = p_product_id;
RETURN l_product;
IF @@FETCH_STATUS <> 0 BEGIN
raiserror('-20000 Product not found', 16, 1);
END
END get_product_info;
DECLARE
@l_product_info PRODUCT_INFO_TYPE;
BEGIN
SET @l_product_info = dbo.get_product_info(10);
DBMS_OUTPUT.PUT_LINE(l_product_info.product_name);
END;
|
CREATE OR REPLACE FUNCTION get_product_info(p_product_id IN NUMBER) RETURN PRODUCT_INFO_TYPE AS
l_product PRODUCT_INFO_TYPE;
BEGIN
SELECT product_name, list_price, product_category
INTO l_product
FROM products
WHERE product_id = p_product_id;
RETURN l_product;
EXCEPTION
WHEN NO_DATA_FOUND THEN
raise_application_error(-20000, 'Product not found');
END get_product_info;
DECLARE
l_product_info PRODUCT_INFO_TYPE;
BEGIN
l_product_info := get_product_info(10);
DBMS_OUTPUT.PUT_LINE(l_product_info.product_name);
END;
|
DECLARE
@v_emp_id FLOAT;
BEGIN
SELECT @v_emp_id = emp_id FROM employees WHERE last_name = 'Smith';
IF @v_emp_id IS NOT NULL BEGIN
UPDATE employees SET salary = salary * 1.10 WHERE emp_id = @v_emp_id;
COMMIT;
END
ELSE BEGIN
RAISERROR('-20001 Employee with last name Smith not found', 16, 1);
END
END;
|
DECLARE
v_emp_id NUMBER;
BEGIN
SELECT emp_id INTO v_emp_id FROM employees WHERE last_name = 'Smith';
IF v_emp_id IS NOT NULL THEN
UPDATE employees SET salary = salary * 1.10 WHERE emp_id = v_emp_id;
COMMIT;
ELSE
RAISE_APPLICATION_ERROR(-20001, 'Employee with last name Smith not found');
END IF;
END;
|