sqlserver
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plsql
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SET @SERVEROUTPUT ON DECLARE v_empno SET @NUMBER = 8765; v_salary NUMBER; BEGIN SELECT @v_salary = salary FROM emp WHERE empno = v_empno; IF v_salary > 10000 BEGIN DBMS_OUTPUT.PUT_LINE('Employee earns more than 10000.'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Employee earns less than 10000.'); END IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found.'); END END; /
SET SERVEROUTPUT ON DECLARE v_empno NUMBER := 8765; v_salary NUMBER; BEGIN SELECT salary INTO v_salary FROM emp WHERE empno = v_empno; IF v_salary > 10000 THEN DBMS_OUTPUT.PUT_LINE('Employee earns more than 10000.'); ELSE DBMS_OUTPUT.PUT_LINE('Employee earns less than 10000.'); END IF; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee not found.'); END; /
IF OBJECT_ID('my_proc', 'P') IS NOT NULL DROP PROCEDURE my_proc; GO CREATE PROCEDURE my_proc (@p1 IN AS NUMBER, p2 IN VARCHAR2) AS BEGIN *** p1 and p2 UPDATE my_table SET col1 = p1, col2 = p2 WHERE id = 1; DBMS_OUTPUT.PUT_LINE('Procedure executed successfully.'); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' + ISNULL(SQLERRM, '')); END; BEGIN dbo.my_proc(10, 'Hello World'); END;
CREATE OR REPLACE PROCEDURE my_proc (p1 IN NUMBER, p2 IN VARCHAR2) AS BEGIN -- Do something with p1 and p2 UPDATE my_table SET col1 = p1, col2 = p2 WHERE id = 1; DBMS_OUTPUT.PUT_LINE('Procedure executed successfully.'); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' || SQLERRM); END; BEGIN my_proc(10, 'Hello World'); END;
DECLARE @v_empno FLOAT; v_ename dbo.VARCHAR2(20); v_sal NUMBER; BEGIN SELECT @v_empno = empno, @v_ename = ename, @v_sal = sal FROM emp WHERE empno = 7839; IF v_sal > 10000 BEGIN UPDATE emp SET sal = v_sal * 1.10 WHERE empno = @v_empno; END COMMIT; DBMS_OUTPUT.PUT_LINE('Salary updated successfully for ' + isnull(v_ename, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found.'); END END;
DECLARE v_empno NUMBER; v_ename VARCHAR2(20); v_sal NUMBER; BEGIN SELECT empno, ename, sal INTO v_empno, v_ename, v_sal FROM emp WHERE empno = 7839; IF v_sal > 10000 THEN UPDATE emp SET sal = v_sal * 1.10 WHERE empno = v_empno; END IF; COMMIT; DBMS_OUTPUT.PUT_LINE('Salary updated successfully for ' || v_ename); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee not found.'); END;
IF OBJECT_ID('update_employee_salary', 'P') IS NOT NULL DROP PROCEDURE update_employee_salary; GO CREATE PROCEDURE update_employee_salary( @emp_id IN AS NUMBER, new_salary IN NUMBER) IS BEGIN *** ee's salary UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; *** te was successful IF @@ROWCOUNT = 0 BEGIN *** the update failed RAISERROR('-20001 No employee found with ID ' + isnull(emp_id, ''), 16, 1); END END;
CREATE OR REPLACE PROCEDURE update_employee_salary( emp_id IN NUMBER, new_salary IN NUMBER) IS BEGIN -- Update the employee's salary UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; -- Check if the update was successful IF SQL%ROWCOUNT = 0 THEN -- Raise an error if the update failed RAISE_APPLICATION_ERROR(-20001, 'No employee found with ID ' || emp_id); END IF; END;
DECLARE @v_empno FLOAT; v_ename dbo.VARCHAR2(20); v_sal NUMBER; v_comm NUMBER; v_deptno NUMBER; BEGIN SELECT @v_empno = empno, @v_ename = ename, @v_sal = sal, @v_comm = comm, @v_deptno = deptno FROM emp WHERE empno = 7369; IF v_comm IS NULL BEGIN SET @v_comm = 0; END dbms_output.put_line('Employee Number: ' + isnull(@v_empno, '')); dbms_output.put_line('Employee Name: ' + isnull(v_ename, '')); dbms_output.put_line('Salary: ' + isnull(v_sal, '')); dbms_output.put_line('Commission: ' + isnull(v_comm, '')); 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_sal NUMBER; v_comm NUMBER; v_deptno NUMBER; BEGIN SELECT empno, ename, sal, comm, deptno INTO v_empno, v_ename, v_sal, v_comm, v_deptno FROM emp WHERE empno = 7369; IF v_comm IS NULL THEN v_comm := 0; END IF; dbms_output.put_line('Employee Number: ' || v_empno); dbms_output.put_line('Employee Name: ' || v_ename); dbms_output.put_line('Salary: ' || v_sal); dbms_output.put_line('Commission: ' || v_comm); dbms_output.put_line('Department Number: ' || v_deptno); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee not found.'); END; /
CREATE PROCEDURE create_table (@table_name VARCHAR(4000), @column_name VARCHAR(4000), @data_type VARCHAR(4000), @constraint VARCHAR(4000)) AS BEGIN SET NOCOUNT ON; EXECUTE sp_executesql @'CREATE TABLE ' || isnull(@table_name, '') + ' (' + isnull(@column_name, '') + ' ' + isnull(@data_type, '') + ' ' + isnull(@constraint, '') + ')'; END; CREATE PROCEDURE insert_data (@table_name VARCHAR(4000), @column_name VARCHAR(4000), @value VARCHAR(4000)) AS BEGIN SET NOCOUNT ON; EXECUTE sp_executesql @'INSERT INTO ' || isnull(@table_name, '') + ' (' + isnull(@column_name, '') + ') VALUES (' + isnull(@value, '') + ')'; END; CREATE PROCEDURE update_data (@table_name VARCHAR(4000), @column_name VARCHAR(4000), @value VARCHAR(4000), @condition VARCHAR(4000)) AS BEGIN SET NOCOUNT ON; EXECUTE sp_executesql @'UPDATE ' || isnull(@table_name, '') + ' SET ' + isnull(@column_name, '') + ' = ' + isnull(@value, '') + ' WHERE ' + isnull(@condition, ''); END; CREATE PROCEDURE delete_data (@table_name VARCHAR(4000), @condition VARCHAR(4000)) AS BEGIN SET NOCOUNT ON; EXECUTE sp_executesql @'DELETE FROM ' || isnull(@table_name, '') + ' WHERE ' + isnull(@condition, ''); END; CREATE FUNCTION get_data (@table_name VARCHAR(4000), @column_name VARCHAR(4000), @condition VARCHAR(4000)) RETURNS VARCHAR(4000) AS BEGIN DECLARE @RETURN (SELECT @column_name FROM table_name WHERE @condition return null; end;); BEGIN -- Cr... SQLINES DEMO *** dbo.create_table('test_table', 'id', 'NUMBER', 'PRIMARY KEY'); *** the table dbo.insert_data('test_table', 'id', '1'); dbo.insert_data('test_table', 'id', '2'); *** e table dbo.update_data('test_table', 'id', '3', 'id = 1'); *** the table dbo.delete_data('test_table', 'id = 2'); *** table SELECT dbo.get_data('test_table', 'id', 'id = 1'); END;
PROCEDURE create_table (table_name VARCHAR2, column_name VARCHAR2, data_type VARCHAR2, constraint VARCHAR2) IS BEGIN EXECUTE IMMEDIATE 'CREATE TABLE ' || table_name || ' (' || column_name || ' ' || data_type || ' ' || constraint || ')'; END; PROCEDURE insert_data (table_name VARCHAR2, column_name VARCHAR2, value VARCHAR2) IS BEGIN EXECUTE IMMEDIATE 'INSERT INTO ' || table_name || ' (' || column_name || ') VALUES (' || value || ')'; END; PROCEDURE update_data (table_name VARCHAR2, column_name VARCHAR2, value VARCHAR2, condition VARCHAR2) IS BEGIN EXECUTE IMMEDIATE 'UPDATE ' || table_name || ' SET ' || column_name || ' = ' || value || ' WHERE ' || condition; END; PROCEDURE delete_data (table_name VARCHAR2, condition VARCHAR2) IS BEGIN EXECUTE IMMEDIATE 'DELETE FROM ' || table_name || ' WHERE ' || condition; END; FUNCTION get_data (table_name VARCHAR2, column_name VARCHAR2, condition VARCHAR2) RETURN VARCHAR2 IS RETURN (SELECT column_name FROM table_name WHERE condition); BEGIN -- Create a table create_table('test_table', 'id', 'NUMBER', 'PRIMARY KEY'); -- Insert data into the table insert_data('test_table', 'id', '1'); insert_data('test_table', 'id', '2'); -- Update data in the table update_data('test_table', 'id', '3', 'id = 1'); -- Delete data from the table delete_data('test_table', 'id = 2'); -- Get data from the table SELECT get_data('test_table', 'id', 'id = 1'); END;
sql CREATE PROCEDURE emp_salary_raise ( @emp_id IN AS NUMBER, raise_percent IN NUMBER ) IS salary NUMBER; BEGIN SELECT @salary = salary FROM employees WHERE employee_id = emp_id; UPDATE employees SET salary = salary * (1 + raise_percent / 100) WHERE employee_id = emp_id; COMMIT; END; DECLARE @v_emp_id FLOAT := 100; v_raise_percent SET @NUMBER = 10; BEGIN dbo.emp_salary_raise(@v_emp_id, v_raise_percent); END;
sql CREATE PROCEDURE emp_salary_raise ( emp_id IN NUMBER, raise_percent IN NUMBER ) IS salary NUMBER; BEGIN SELECT salary INTO salary FROM employees WHERE employee_id = emp_id; UPDATE employees SET salary = salary * (1 + raise_percent / 100) WHERE employee_id = emp_id; COMMIT; END; DECLARE v_emp_id NUMBER := 100; v_raise_percent NUMBER := 10; BEGIN emp_salary_raise(v_emp_id, v_raise_percent); END;
CREATE PROCEDURE randomize_table(@table_name varchar(4000)) AS BEGIN SET NOCOUNT ON; -- De... SQLINES DEMO *** v_id number; v_value dbo.varchar2(20); *** rows in the table DECLARE row_rec CURSOR FOR SELECT id, value FROM table_name; OPEN row_rec; FETCH row_rec INTO; WHILE @@FETCH_STATUS=0 BEGIN *** number set @v_id = DBMS_RANDOM.VALUE(1000); set @v_value = DBMS_RANDOM.STRING('a', 20); -- Up... SQLINES DEMO *** UPDATE table_name SET id = v_id, value = v_value WHERE id = @row_rec_id; FETCH row_rec INTO; END; CLOSE row_rec; DEALLOCATE row_rec; EXCEPTION -- Ha... SQLINES DEMO *** WHEN OTHERS THEN DBMS_OUTPUT.put_line('Error: ' + ISNULL(SQLERRM, '')); END; GO
CREATE PROCEDURE randomize_table(table_name varchar2) AS BEGIN -- Declare variables v_id number; v_value varchar2(20); -- Loop through the rows in the table FOR row_rec IN (SELECT id, value FROM table_name) LOOP -- Generate a random number v_id := DBMS_RANDOM.VALUE(1000); v_value := DBMS_RANDOM.STRING('a', 20); -- Update the row UPDATE table_name SET id = v_id, value = v_value WHERE id = row_rec.id; END LOOP; EXCEPTION -- Handle any errors WHEN OTHERS THEN DBMS_OUTPUT.put_line('Error: ' || SQLERRM); END; /
CREATE PROCEDURE GetEmployeeInfo(@IN EmployeeId AS NUMBER, OUT EmployeeDetails VARCHAR2) AS BEGIN SELECT @EmployeeDetails = ename FROM emp WHERE empno = EmployeeId; IF EmployeeDetails IS NULL BEGIN RAISERROR('-20001 Employee not found', 16, 1); END END; BEGIN DECLARE @EmployeeName VARCHAR(100); dbo.GetEmployeeInfo(100, @EmployeeName); DBMS_OUTPUT.PUT_LINE('Employee name: ' + ISNULL(@EmployeeName, '')); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error getting employee information: ' + ISNULL(SQLERRM, '')); END;
CREATE PROCEDURE GetEmployeeInfo(IN EmployeeId NUMBER, OUT EmployeeDetails VARCHAR2) AS BEGIN SELECT ename INTO EmployeeDetails FROM emp WHERE empno = EmployeeId; IF EmployeeDetails IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END IF; END; BEGIN DECLARE EmployeeName VARCHAR2(100); GetEmployeeInfo(100, EmployeeName); DBMS_OUTPUT.PUT_LINE('Employee name: ' || EmployeeName); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error getting employee information: ' || SQLERRM); END;
BEGIN -- So... SQLINES DEMO *** UPDATE t SET c = c + 1 WHERE id = 1; *** back IF @@ROWCOUNT = 0 BEGIN SAVEPOINT sp; ROLLBACK TO sp; END *** an autogenerated primary key and return it's ID INSERT INTO t (id, c) VALUES (DEFAULT, 10); SET @v_id = SCOPE_IDENTITY(); *** cedure with an out parameter to get the max ID CALL proc_get_max_id(v_max_id OUT); *** rsor DECLARE r CURSOR FOR SELECT * FROM t; OPEN r; FETCH r INTO; WHILE @@FETCH_STATUS=0 BEGIN *** d on the cursor data UPDATE t SET c = c + @r_c WHERE id = @r_id; FETCH r INTO; END; CLOSE r; DEALLOCATE r; *** n if the number of rows affected is 0 IF @@ROWCOUNT = 0 BEGIN RAISERROR('-20000 No rows affected', 16, 1); END END;
BEGIN -- Some actions UPDATE t SET c = c + 1 WHERE id = 1; -- If error, roll it back IF SQL%ROWCOUNT = 0 THEN SAVEPOINT sp; ROLLBACK TO sp; END IF; -- Insert a row with an autogenerated primary key and return it's ID INSERT INTO t (id, c) VALUES (DEFAULT, 10) RETURNING id INTO v_id; -- Call a stored procedure with an out parameter to get the max ID CALL proc_get_max_id(v_max_id OUT); -- Loop through a cursor FOR r IN (SELECT * FROM t) LOOP -- Update a row based on the cursor data UPDATE t SET c = c + r.c WHERE id = r.id; END LOOP; -- Raise an exception if the number of rows affected is 0 IF SQL%ROWCOUNT = 0 THEN RAISE_APPLICATION_ERROR(-20000, 'No rows affected'); END IF; END;
CREATE PROCEDURE my_proc(@param1 IN AS NUMBER) AS rec RECORD (id NUMBER, name dbo.VARCHAR2(100)); stmt EXECUTE sp_executesql @'SELECT * FROM my_table WHERE id = :1', N'@param1', @param1; FETCH stmt INTO @rec; IF rec.id IS NOT NULL BEGIN UPDATE my_table SET name = 'Updated' WHERE id = rec.id; COMMIT; END ELSE BEGIN RAISERROR('-20000 Item not found', 16, 1); END END my_proc;
CREATE PROCEDURE my_proc(param1 IN NUMBER) AS rec RECORD (id NUMBER, name VARCHAR2(100)); stmt EXECUTE IMMEDIATE 'SELECT * FROM my_table WHERE id = :1' USING param1; FETCH stmt INTO rec; IF rec.id IS NOT NULL THEN UPDATE my_table SET name = 'Updated' WHERE id = rec.id; COMMIT; ELSE RAISE_APPLICATION_ERROR(-20000, 'Item not found'); END IF; END my_proc;
DECLARE -- Sa... SQLINES DEMO *** @v_dept_id FLOAT := 10; v_emp_id SET @NUMBER = 100; v_emp_name dbo.VARCHAR2(50) := 'John Doe'; BEGIN *** oyee into the database INSERT INTO EMPLOYEES (DEPARTMENT_ID, EMPLOYEE_ID, EMPLOYEE_NAME) VALUES (@v_dept_id, v_emp_id, v_emp_name); *** ee's name UPDATE EMPLOYEES SET EMPLOYEE_NAME = 'Jane Doe' WHERE EMPLOYEE_ID = v_emp_id; *** ee from the database DELETE FROM EMPLOYEES WHERE EMPLOYEE_ID = v_emp_id; END;
DECLARE -- Sample data v_dept_id NUMBER := 10; v_emp_id NUMBER := 100; v_emp_name VARCHAR2(50) := 'John Doe'; BEGIN -- Insert a new employee into the database INSERT INTO EMPLOYEES (DEPARTMENT_ID, EMPLOYEE_ID, EMPLOYEE_NAME) VALUES (v_dept_id, v_emp_id, v_emp_name); -- Update the employee's name UPDATE EMPLOYEES SET EMPLOYEE_NAME = 'Jane Doe' WHERE EMPLOYEE_ID = v_emp_id; -- Delete the employee from the database DELETE FROM EMPLOYEES WHERE EMPLOYEE_ID = v_emp_id; END;
IF OBJECT_ID('get_employee_name', 'FN') IS NOT NULL DROP FUNCTION get_employee_name; GO CREATE FUNCTION get_employee_name(@employee_id IN NUMBERDECLARE ) RETURN BEGIN VARCHAR2 RETURN NULL; END; IS employee_name dbo.VARCHAR2(50); BEGIN SELECT @employee_name = name FROM employees WHERE employee_id = employee_id; RETURN employee_name; END; IF OBJECT_ID('update_employee_salary', 'P') IS NOT NULL DROP PROCEDURE update_employee_salary; GO CREATE PROCEDURE update_employee_salary(@employee_id IN AS NUMBER, new_salary IN NUMBER) IS BEGIN UPDATE employees SET salary = new_salary WHERE employee_id = employee_id; COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END; DECLARE @employee_id FLOAT := 1000; employee_name dbo.VARCHAR2(50); BEGIN SET @employee_name = dbo.get_employee_name(@employee_id); IF employee_name IS NULL BEGIN RAISERROR('-20001 Employee does not exist.', 16, 1); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Employee name: ' + isnull(employee_name, '')); dbo.update_employee_salary(@employee_id, 50000); END END;
CREATE OR REPLACE FUNCTION get_employee_name(employee_id IN NUMBER) RETURN VARCHAR2 IS employee_name VARCHAR2(50); BEGIN SELECT name INTO employee_name FROM employees WHERE employee_id = employee_id; RETURN employee_name; END; CREATE OR REPLACE PROCEDURE update_employee_salary(employee_id IN NUMBER, new_salary IN NUMBER) IS BEGIN UPDATE employees SET salary = new_salary WHERE employee_id = employee_id; COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END; DECLARE employee_id NUMBER := 1000; employee_name VARCHAR2(50); BEGIN employee_name := get_employee_name(employee_id); IF employee_name IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Employee does not exist.'); ELSE DBMS_OUTPUT.PUT_LINE('Employee name: ' || employee_name); update_employee_salary(employee_id, 50000); END IF; END;
DECLARE @v_emp_id FLOAT; v_emp_name dbo.VARCHAR2(20); BEGIN SELECT @v_emp_id = employee_id, @v_emp_name = isnull(last_name, '') + ', ' + isnull(first_name, '') FROM employees WHERE employee_id = 100; DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(@v_emp_id, '')); DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(v_emp_name, '')); IF @v_emp_id IS NULL BEGIN RAISERROR('-20001 Invalid employee ID', 16, 1); END UPDATE employees SET salary = salary * 1.10 WHERE employee_id = @v_emp_id; COMMIT; DBMS_OUTPUT.PUT_LINE('Employee salary updated successfully.'); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee found with the specified ID.'); END WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END;
DECLARE v_emp_id NUMBER; v_emp_name VARCHAR2(20); BEGIN SELECT employee_id, last_name || ', ' || first_name INTO v_emp_id, v_emp_name FROM employees WHERE employee_id = 100; DBMS_OUTPUT.PUT_LINE('Employee ID: ' || v_emp_id); DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_emp_name); IF v_emp_id IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Invalid employee ID'); END IF; UPDATE employees SET salary = salary * 1.10 WHERE employee_id = v_emp_id; COMMIT; DBMS_OUTPUT.PUT_LINE('Employee salary updated successfully.'); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employee found with the specified ID.'); WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END;
IF OBJECT_ID('TEST_PROC', 'P') IS NOT NULL DROP PROCEDURE TEST_PROC; GO CREATE PROCEDURE TEST_PROC ( @NUM_IN IN AS NUMBER, STR_IN IN VARCHAR2 ) AS V_OUT NUMBER; BEGIN SELECT @V_OUT = COUNT(*) WHERE STR_IN = 'TEST'; DBMS_OUTPUT.PUT_LINE(V_OUT); IF V_OUT > 0 BEGIN UPDATE DUAL SET NUM_IN = NUM_IN + 1; END RAISERROR('-20001 Custom Error: ' + ISNULL(STR_IN, ''), 16, 1); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE(SQLERRM); END; /
CREATE OR REPLACE PROCEDURE TEST_PROC ( NUM_IN IN NUMBER, STR_IN IN VARCHAR2 ) AS V_OUT NUMBER; BEGIN SELECT COUNT(*) INTO V_OUT FROM DUAL WHERE STR_IN = 'TEST'; DBMS_OUTPUT.PUT_LINE(V_OUT); IF V_OUT > 0 THEN UPDATE DUAL SET NUM_IN = NUM_IN + 1; END IF; RAISE_APPLICATION_ERROR(-20001, 'Custom Error: ' || STR_IN); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE(SQLERRM); END; /
IF OBJECT_ID('get_customer_orders', 'P') IS NOT NULL DROP PROCEDURE get_customer_orders; GO CREATE PROCEDURE get_customer_orders(@customer_id IN AS NUMBER, cursor OUT SYS_REFCURSOR) AS BEGIN SELECT order_id, order_date, total_amount FROM orders WHERE customer_id = customer_id; END; DECLARE @customer_id FLOAT := 1234; orders SYS_REFCURSOR; BEGIN dbo.get_customer_orders(@customer_id, orders); WHILE 1=1 BEGIN FETCH orders INTO @order_id, @order_date, @total_amount; IF @@FETCH_STATUS <> 0 BREAK; *** the order information END; CLOSE orders; END;
CREATE OR REPLACE PROCEDURE get_customer_orders(customer_id IN NUMBER, cursor OUT SYS_REFCURSOR) AS BEGIN OPEN cursor FOR SELECT order_id, order_date, total_amount FROM orders WHERE customer_id = customer_id; END; DECLARE customer_id NUMBER := 1234; orders SYS_REFCURSOR; BEGIN get_customer_orders(customer_id, orders); LOOP FETCH orders INTO order_id, order_date, total_amount; EXIT WHEN orders%NOTFOUND; -- Do something with the order information END LOOP; CLOSE orders; END;
CREATE PROCEDURE update_employee( @employee_id IN AS NUMBER, salary IN NUMBER, department_id IN NUMBER, is_manager IN BOOLEAN ) AS BEGIN *** ee's salary UPDATE employees SET salary = salary WHERE employee_id = employee_id; *** ee's department UPDATE employees SET department_id = department_id WHERE employee_id = employee_id; *** ee's manager status UPDATE employees SET is_manager = is_manager WHERE employee_id = employee_id; END;
CREATE PROCEDURE update_employee( employee_id IN NUMBER, salary IN NUMBER, department_id IN NUMBER, is_manager IN BOOLEAN ) AS BEGIN -- Update the employee's salary UPDATE employees SET salary = salary WHERE employee_id = employee_id; -- Update the employee's department UPDATE employees SET department_id = department_id WHERE employee_id = employee_id; -- Update the employee's manager status UPDATE employees SET is_manager = is_manager WHERE employee_id = employee_id; 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) IS BEGIN *** ee's salary UPDATE employees SET salary = p_salary WHERE employee_id = p_employee_id; *** te was successful IF @@ROWCOUNT = 0 BEGIN *** the update failed RAISERROR('-20001 Employee not found', 16, 1); END EXCEPTION WHEN OTHERS THEN *** errors that may occur RAISE; END;
CREATE OR REPLACE PROCEDURE update_employee( p_employee_id IN NUMBER, p_salary IN NUMBER) IS BEGIN -- Update the employee's salary UPDATE employees SET salary = p_salary WHERE employee_id = p_employee_id; -- Check if the update was successful IF SQL%ROWCOUNT = 0 THEN -- Raise an error if the update failed RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END IF; EXCEPTION WHEN OTHERS THEN -- Handle any other errors that may occur RAISE; END;
DECLARE -- De... SQLINES DEMO *** @v_num1 FLOAT := 10; v_num2 SET @NUMBER = 5; v_result NUMBER; BEGIN *** ons SET @v_result = @v_num1 + v_num2; -- Ou... SQLINES DEMO *** DBMS_OUTPUT.PUT_LINE('The result is: ' + isnull(v_result, '')); EXCEPTION -- Ha... SQLINES DEMO *** WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END;
DECLARE -- Declare variables v_num1 NUMBER := 10; v_num2 NUMBER := 5; v_result NUMBER; BEGIN -- Perform calculations v_result := v_num1 + v_num2; -- Output the result DBMS_OUTPUT.PUT_LINE('The result is: ' || v_result); EXCEPTION -- Handle any errors WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END;
CREATE PROCEDURE TestProc(@in num1 AS NUMBER) AS BEGIN UPDATE emp SET sal = sal * num1 WHERE deptno = 10; COMMIT; EXPLAIN PLAN FOR UPDATE emp SET @sal = sal * num1 WHERE deptno = 10; END; / BEGIN dbo.TestProc(1.25); EXCEPTION WHEN DUP_VAL_ON_INDEX THEN ROLLBACK; RAISE DBMS_STANDARD.NO_DATA_FOUND; WHEN OTHERS THEN ROLLBACK; RAISE; END; / SELECT * FROM emp WHERE deptno = 10;
CREATE PROCEDURE TestProc(in num1 NUMBER) AS BEGIN UPDATE emp SET sal = sal * num1 WHERE deptno = 10; COMMIT; EXPLAIN PLAN FOR UPDATE emp SET sal = sal * num1 WHERE deptno = 10; END; / BEGIN TestProc(1.25); EXCEPTION WHEN DUP_VAL_ON_INDEX THEN ROLLBACK; RAISE DBMS_STANDARD.NO_DATA_FOUND; WHEN OTHERS THEN ROLLBACK; RAISE; END; / SELECT * FROM emp WHERE deptno = 10;
BEGIN *** nto a table INSERT INTO employees (id, name, salary) VALUES (100, 'John Doe', 10000); *** n a table UPDATE employees SET salary = salary + 1000 WHERE id = 100; *** rom a table DELETE FROM employees WHERE id = 100; *** cedure CALL get_employee_count(); -- Ex... SQLINES DEMO *** BEGIN *** y throw an exception EXCEPTION WHEN OTHERS THEN *** ion END; END;
BEGIN -- Insert a record into a table INSERT INTO employees (id, name, salary) VALUES (100, 'John Doe', 10000); -- Update a record in a table UPDATE employees SET salary = salary + 1000 WHERE id = 100; -- Delete a record from a table DELETE FROM employees WHERE id = 100; -- Call a stored procedure CALL get_employee_count(); -- Exception handling BEGIN -- Some code that may throw an exception EXCEPTION WHEN OTHERS THEN -- Handle the exception END; END;
DECLARE @emp_id FLOAT; BEGIN SELECT @emp_id = employee_id FROM employees WHERE last_name = 'Smith'; IF @emp_id IS NOT NULL BEGIN UPDATE employees SET salary = salary * 1.10 WHERE employee_id = @emp_id; END ELSE BEGIN RAISERROR('-20001 Employee not found', 16, 1); END COMMIT; END;
DECLARE emp_id NUMBER; BEGIN SELECT employee_id INTO emp_id FROM employees WHERE last_name = 'Smith'; IF emp_id IS NOT NULL THEN UPDATE employees SET salary = salary * 1.10 WHERE employee_id = emp_id; ELSE RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END IF; COMMIT; END;
IF OBJECT_ID('test_proc', 'P') IS NOT NULL DROP PROCEDURE test_proc; GO CREATE PROCEDURE test_proc ( @p_empno IN AS NUMBER, p_ename OUT VARCHAR2, p_sal OUT NUMBER, p_rc OUT VARCHAR2 ) AS BEGIN SELECT @p_ename = ename, @p_sal = sal FROM emp WHERE empno = p_empno; IF @@FETCH_STATUS <> 0 BEGIN set @p_rc = 'ENOENT'; END END;
CREATE OR REPLACE PROCEDURE test_proc ( p_empno IN NUMBER, p_ename OUT VARCHAR2, p_sal OUT NUMBER, p_rc OUT VARCHAR2 ) AS BEGIN SELECT ename, sal INTO p_ename, p_sal FROM emp WHERE empno = p_empno; EXCEPTION WHEN NO_DATA_FOUND THEN p_rc := 'ENOENT'; END;
IF OBJECT_ID('Validate_User', 'P') IS NOT NULL DROP PROCEDURE Validate_User; GO CREATE PROCEDURE Validate_User(@p_username VARCHAR(4000), @p_password VARCHAR(4000)) AS BEGIN SET NOCOUNT ON; IF @p_username IS NULL OR @p_password IS NULL BEGIN RAISERROR('-20101 Username or password cannot be null', 16, 1); END *** exists SELECT @l_user_count = COUNT(*) FROM Users WHERE username = @p_username; IF l_user_count = 0 BEGIN RAISERROR('-20102 Invalid username', 16, 1); END *** word is correct SELECT @l_stored_password = password FROM Users WHERE username = @p_username; IF l_stored_password <> @p_password BEGIN RAISERROR('-20103 Invalid password', 16, 1); END END;
CREATE OR REPLACE PROCEDURE Validate_User(p_username VARCHAR2, p_password VARCHAR2) IS BEGIN IF p_username IS NULL OR p_password IS NULL THEN RAISE_APPLICATION_ERROR(-20101, 'Username or password cannot be null'); END IF; -- Check if the user exists SELECT COUNT(*) INTO l_user_count FROM Users WHERE username = p_username; IF l_user_count = 0 THEN RAISE_APPLICATION_ERROR(-20102, 'Invalid username'); END IF; -- Check if the password is correct SELECT password INTO l_stored_password FROM Users WHERE username = p_username; IF l_stored_password <> p_password THEN RAISE_APPLICATION_ERROR(-20103, 'Invalid password'); END IF; END Validate_User;
CREATE PROCEDURE ProcessOrders ( @ORDER_ID IN AS NUMBER ) IS ORDER_TOTAL NUMBER; BEGIN SELECT @ORDER_TOTAL = SUM(QUANTITY*UNIT_PRICE) FROM ORDER_DETAILS WHERE ORDER_ID = ORDER_ID; IF ORDER_TOTAL >= 100 BEGIN UPDATE ORDERS SET STATUS = 'Shipped' WHERE ORDER_ID = ORDER_ID; END ELSE BEGIN UPDATE ORDERS SET STATUS = 'Processing' WHERE ORDER_ID = ORDER_ID; END END;
CREATE PROCEDURE ProcessOrders ( ORDER_ID IN NUMBER ) IS ORDER_TOTAL NUMBER; BEGIN SELECT SUM(QUANTITY*UNIT_PRICE) INTO ORDER_TOTAL FROM ORDER_DETAILS WHERE ORDER_ID = ORDER_ID; IF ORDER_TOTAL >= 100 THEN UPDATE ORDERS SET STATUS = 'Shipped' WHERE ORDER_ID = ORDER_ID; ELSE UPDATE ORDERS SET STATUS = 'Processing' WHERE ORDER_ID = ORDER_ID; END IF; END;
DECLARE @deptno FLOAT := 20; empno NUMBER; CURSOR dept_emps IS SELECT empno FROM emp WHERE @deptno = @deptno; BEGIN OPEN dept_emps; WHILE 1=1 BEGIN FETCH dept_emps INTO @empno; IF @@FETCH_STATUS <> 0 BREAK; DBMS_OUTPUT.PUT_LINE('Employee Number: ' + isnull(empno, '')); END; CLOSE dept_emps; IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employees found in department ' + isnull(@deptno, '')); END END;
DECLARE deptno NUMBER := 20; empno NUMBER; CURSOR dept_emps IS SELECT empno FROM emp WHERE deptno = deptno; BEGIN OPEN dept_emps; LOOP FETCH dept_emps INTO empno; EXIT WHEN dept_emps%NOTFOUND; DBMS_OUTPUT.PUT_LINE('Employee Number: ' || empno); END LOOP; CLOSE dept_emps; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employees found in department ' || deptno); END;
BEGIN DECLARE @emp_id FLOAT; DECLARE @salary FLOAT; DECLARE @bonus FLOAT; BEGIN SELECT @emp_id = employee_id, @salary = @salary FROM employees WHERE last_name = 'King'; IF @salary > 10000 BEGIN SET @bonus = @salary * 0.10; END ELSE BEGIN SET @bonus = 0; END UPDATE employees SET salary = @salary + @bonus WHERE employee_id = @emp_id; COMMIT; IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found'); END END; END;
BEGIN DECLARE emp_id NUMBER; DECLARE salary NUMBER; DECLARE bonus NUMBER; BEGIN SELECT employee_id, salary INTO emp_id, salary FROM employees WHERE last_name = 'King'; IF salary > 10000 THEN bonus := salary * 0.10; ELSE bonus := 0; END IF; UPDATE employees SET salary = salary + bonus WHERE employee_id = emp_id; COMMIT; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee not found'); END; END;
IF OBJECT_ID('calculate_total_sales', 'P') IS NOT NULL DROP PROCEDURE calculate_total_sales; GO CREATE PROCEDURE calculate_total_sales ( @order_id IN AS NUMBER, total_sales OUT NUMBER ) AS BEGIN SELECT @total_sales = SUM(quantity * unit_price) FROM order_details WHERE order_id = order_id; END; DECLARE @total_sales FLOAT; BEGIN dbo.calculate_total_sales(100, @total_sales); DBMS_OUTPUT.PUT_LINE('Total sales for order 100: ' + isnull(@total_sales, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No data found for order ' + isnull(order_id, '')); END END; CREATE FUNCTION get_product_name ( @product_id IN NUMBER DECLARE ) RETURN BEGIN VARCHAR2 RETURN NULL; END; AS BEGIN RETURN ( SELECT product_name FROM products WHERE product_id = product_id ); END; DECLARE @product_name VARCHAR(100); BEGIN SET @product_name = dbo.get_product_name(200); DBMS_OUTPUT.PUT_LINE('Product name for product ID 200: ' + isnull(@product_name, '')); END;
CREATE OR REPLACE PROCEDURE calculate_total_sales ( order_id IN NUMBER, total_sales OUT NUMBER ) AS BEGIN SELECT SUM(quantity * unit_price) INTO total_sales FROM order_details WHERE order_id = order_id; END; DECLARE total_sales NUMBER; BEGIN calculate_total_sales(100, total_sales); DBMS_OUTPUT.PUT_LINE('Total sales for order 100: ' || total_sales); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No data found for order ' || order_id); END; CREATE FUNCTION get_product_name ( product_id IN NUMBER ) RETURN VARCHAR2 AS BEGIN RETURN ( SELECT product_name FROM products WHERE product_id = product_id ); END; DECLARE product_name VARCHAR2(100); BEGIN product_name := get_product_name(200); DBMS_OUTPUT.PUT_LINE('Product name for product ID 200: ' || product_name); END;
BEGIN DECLARE rec CURSOR FOR SELECT * FROM employees; OPEN rec; FETCH rec INTO; WHILE @@FETCH_STATUS=0 BEGIN *** of each employee UPDATE employees SET salary = salary * 1.10 WHERE employee_id = @rec_employee_id; *** d salary DBMS_OUTPUT.PUT_LINE('Updated salary for ' + isnull(@rec_employee_name, '') + ': ' + isnull(@rec_salary, '')); FETCH rec INTO; END; CLOSE rec; DEALLOCATE rec; END; DECLARE @v_salary FLOAT; BEGIN *** the employee with employee_id = 100 SELECT @v_salary = salary FROM employees WHERE employee_id = 100; *** n if the salary is less than 10000 IF @v_salary < 10000 BEGIN RAISERROR('-20001 Salary must be greater than or equal to 10000', 16, 1); END END; IF OBJECT_ID('get_employee_salary', 'FN') IS NOT NULL DROP FUNCTION get_employee_salary; GO CREATE FUNCTION get_employee_salary(@employee_id FLOAT) RETURNS FLOAT AS BEGIN DECLARE @v_salary FLOAT; SELECT @v_salary = salary FROM employees WHERE @employee_id = @employee_id; RETURN @v_salary; END;
BEGIN FOR rec IN (SELECT * FROM employees) LOOP -- Update the salary of each employee UPDATE employees SET salary = salary * 1.10 WHERE employee_id = rec.employee_id; -- Output the updated salary DBMS_OUTPUT.PUT_LINE('Updated salary for ' || rec.employee_name || ': ' || rec.salary); END LOOP; END; DECLARE v_salary NUMBER; BEGIN -- Get the salary of the employee with employee_id = 100 SELECT salary INTO v_salary FROM employees WHERE employee_id = 100; -- Raise an exception if the salary is less than 10000 IF v_salary < 10000 THEN RAISE_APPLICATION_ERROR(-20001, 'Salary must be greater than or equal to 10000'); END IF; END; CREATE OR REPLACE FUNCTION get_employee_salary(employee_id NUMBER) RETURN NUMBER IS v_salary NUMBER; BEGIN SELECT salary INTO v_salary FROM employees WHERE employee_id = employee_id; RETURN v_salary; END;
DECLARE @TYPE num_arr IS TABLE OF NUMBER; v_nums num_arr; BEGIN SELECT t.num [BULK] COLLECT INTO v_nums FROM (SELECT LEVEL num FROM DUAL CONNECT BY LEVEL <= 10) t; DECLARE @i INT = 1 ; WHILE @i <= v_nums.COUNT BEGIN DBMS_OUTPUT.PUT_LINE('Number ' + isnull(i, '') + ': ' + isnull(dbo.v_nums(i), '')); END; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred.'); END;
DECLARE TYPE num_arr IS TABLE OF NUMBER; v_nums num_arr; BEGIN SELECT t.num BULK COLLECT INTO v_nums FROM (SELECT LEVEL num FROM DUAL CONNECT BY LEVEL <= 10) t; FOR i IN 1 .. v_nums.COUNT LOOP DBMS_OUTPUT.PUT_LINE('Number ' || i || ': ' || v_nums(i)); END LOOP; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred.'); END;
IF OBJECT_ID('GetCustomerOrders', 'FN') IS NOT NULL DROP FUNCTION GetCustomerOrders; GO CREATE FUNCTION GetCustomerOrders(@customer_id IN NUMBERDECLARE ) RETURN BEGIN SYS_REFCURSOR RETURN NULL; END; IS orders CURSOR; BEGIN SELECT order_id, order_date FROM orders WHERE customer_id = customer_id; RETURN orders; END; DECLARE @orders SYS_REFCURSOR; BEGIN SET @orders = dbo.GetCustomerOrders(12345); WHILE 1=1 BEGIN FETCH orders INTO @order_id, @order_date; IF @@FETCH_STATUS <> 0 BREAK; *** the order information END; CLOSE orders; END;
CREATE OR REPLACE FUNCTION GetCustomerOrders(customer_id IN NUMBER) RETURN SYS_REFCURSOR IS orders CURSOR; BEGIN OPEN orders FOR SELECT order_id, order_date FROM orders WHERE customer_id = customer_id; RETURN orders; END; DECLARE orders SYS_REFCURSOR; BEGIN orders := GetCustomerOrders(12345); LOOP FETCH orders INTO order_id, order_date; EXIT WHEN orders%NOTFOUND; -- Do something with the order information END LOOP; CLOSE orders; END;
IF OBJECT_ID('get_employee_details', 'FN') IS NOT NULL DROP FUNCTION get_employee_details; GO CREATE FUNCTION get_employee_details(@emp_id FLOAT) RETURNS employee_details_type AS BEGIN DECLARE @emp_details employee_details_type; SELECT @emp_details = * FROM employees WHERE employee_id = @emp_id; RETURN @emp_details; IF @@FETCH_STATUS <> 0 BEGIN RETURN NULL; END WHEN OTHERS THEN RAISE; END; IF OBJECT_ID('update_employee_salary', 'P') IS NOT NULL DROP PROCEDURE update_employee_salary; GO CREATE PROCEDURE update_employee_salary(@emp_id FLOAT, @new_salary FLOAT) AS BEGIN SET NOCOUNT ON; UPDATE employees SET salary = @new_salary WHERE employee_id = @emp_id; IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20001 Employee not found', 16, 1); END WHEN OTHERS THEN RAISE; END; DECLARE @emp_details employee_details_type; BEGIN SET @emp_details = dbo.get_employee_details(1); IF @emp_details IS NOT NULL BEGIN dbo.update_employee_salary(emp_details.employee_id, emp_details.salary * 1.10); END END;
CREATE OR REPLACE FUNCTION get_employee_details(emp_id NUMBER) RETURN employee_details_type IS emp_details employee_details_type; BEGIN SELECT * INTO emp_details FROM employees WHERE employee_id = emp_id; RETURN emp_details; EXCEPTION WHEN NO_DATA_FOUND THEN RETURN NULL; WHEN OTHERS THEN RAISE; END; CREATE OR REPLACE PROCEDURE update_employee_salary(emp_id NUMBER, new_salary NUMBER) IS BEGIN UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); WHEN OTHERS THEN RAISE; END; DECLARE emp_details employee_details_type; BEGIN emp_details := get_employee_details(1); IF emp_details IS NOT NULL THEN update_employee_salary(emp_details.employee_id, emp_details.salary * 1.10); END IF; END;
declare @v_empno float := 10; v_ename dbo.varchar2(10); v_job dbo.varchar2(10); begin select @v_ename = ename, @v_job = job from emp where empno = @v_empno; if v_job = 'MANAGER' begin dbms_output.put_line('Employee ' + isnull(@v_empno, '') + ' is a MANAGER'); end else begin dbms_output.put_line('Employee ' + isnull(@v_empno, '') + ' is not a MANAGER'); end if @@fetch_status <> 0 begin dbms_output.put_line('No employee found with empno ' + isnull(@v_empno, '')); end end;
declare v_empno number := 10; v_ename varchar2(10); v_job varchar2(10); begin select ename, job into v_ename, v_job from emp where empno = v_empno; if v_job = 'MANAGER' then dbms_output.put_line('Employee ' || v_empno || ' is a MANAGER'); else dbms_output.put_line('Employee ' || v_empno || ' is not a MANAGER'); end if; exception when no_data_found then dbms_output.put_line('No employee found with empno ' || v_empno); end;
DECLARE @v_emp_id FLOAT := 100; v_salary NUMBER; BEGIN SELECT @v_salary = salary FROM employees WHERE employee_id = @v_emp_id; IF v_salary > 5000 BEGIN UPDATE employees SET salary = salary * 1.10 WHERE employee_id = @v_emp_id; END IF @@FETCH_STATUS <> 0 BEGIN NULL; END END;
DECLARE v_emp_id NUMBER := 100; v_salary NUMBER; BEGIN SELECT salary INTO v_salary FROM employees WHERE employee_id = v_emp_id; IF v_salary > 5000 THEN UPDATE employees SET salary = salary * 1.10 WHERE employee_id = v_emp_id; END IF; EXCEPTION WHEN NO_DATA_FOUND THEN NULL; END;
DECLARE @v_emp_id FLOAT; v_emp_name dbo.VARCHAR2(100); v_salary NUMBER; BEGIN SELECT @v_emp_id = emp_id, @v_emp_name = emp_name, @v_salary = salary FROM employees WHERE emp_id = 10; IF v_salary > 50000 BEGIN UPDATE employees SET salary = salary * 1.1 WHERE emp_id = @v_emp_id; END ELSE IF v_salary > 30000 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; END;
DECLARE v_emp_id NUMBER; v_emp_name VARCHAR2(100); v_salary NUMBER; BEGIN SELECT emp_id, emp_name, salary INTO v_emp_id, v_emp_name, v_salary FROM employees WHERE emp_id = 10; IF v_salary > 50000 THEN UPDATE employees SET salary = salary * 1.1 WHERE emp_id = v_emp_id; ELSIF v_salary > 30000 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; END;
CREATE PROCEDURE my_procedure ( @p_in IN AS VARCHAR2, p_out OUT VARCHAR2, p_inout IN OUT VARCHAR2 ) IS BEGIN *** p_in, p_out, and p_inout IF p_in IS NULL BEGIN RAISERROR('-20001 Input parameter cannot be NULL.', 16, 1); END SELECT @p_out = MAX(value) FROM my_table WHERE name = p_in; set @p_inout = isnull(p_inout, '') + ' (modified)'; EXCEPTION WHEN OTHERS THEN *** here ROLLBACK; RAISE; END;
CREATE PROCEDURE my_procedure ( p_in IN VARCHAR2, p_out OUT VARCHAR2, p_inout IN OUT VARCHAR2 ) IS BEGIN -- Do something with p_in, p_out, and p_inout IF p_in IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Input parameter cannot be NULL.'); END IF; SELECT MAX(value) INTO p_out FROM my_table WHERE name = p_in; p_inout := p_inout || ' (modified)'; EXCEPTION WHEN OTHERS THEN -- Handle any errors here ROLLBACK; RAISE; END;
DECLARE @v_empno FLOAT := 100; v_ename dbo.VARCHAR2(10) := 'SCOTT'; BEGIN SELECT @v_ename = name FROM departments WHERE department_id = 20; UPDATE employees SET name = v_ename WHERE employee_id = @v_empno; COMMIT; DBMS_OUTPUT.PUT_LINE('Employee ' + isnull(@v_empno, '') + ' updated to ' + isnull(v_ename, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee with employee ID ' + isnull(@v_empno, '') + ' found'); END END;
DECLARE v_empno NUMBER := 100; v_ename VARCHAR2(10) := 'SCOTT'; BEGIN SELECT name INTO v_ename FROM departments WHERE department_id = 20; UPDATE employees SET name = v_ename WHERE employee_id = v_empno; COMMIT; DBMS_OUTPUT.PUT_LINE('Employee ' || v_empno || ' updated to ' || v_ename); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employee with employee ID ' || v_empno || ' found'); END;
DECLARE @v_salary DECIMAL(10,2); BEGIN SELECT @v_salary = salary FROM employees WHERE emp_id = 1; IF @v_salary > 5000 BEGIN UPDATE employees SET salary = @v_salary + 500 WHERE emp_id = 1; END COMMIT; END;
DECLARE v_salary NUMBER(10,2); BEGIN SELECT salary INTO v_salary FROM employees WHERE emp_id = 1; IF v_salary > 5000 THEN UPDATE employees SET salary = v_salary + 500 WHERE emp_id = 1; END IF; COMMIT; END;
DECLARE @v_empno FLOAT := 10; v_ename dbo.VARCHAR2(25); BEGIN SELECT @v_ename = ename FROM emp WHERE empno = @v_empno; DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(v_ename, '')); BEGIN UPDATE emp SET sal = sal * 1.10 WHERE empno = @v_empno; COMMIT; DBMS_OUTPUT.PUT_LINE('Salary updated successfully!'); EXCEPTION WHEN OTHERS THEN ROLLBACK; DBMS_OUTPUT.PUT_LINE('Error updating salary!'); END; END;
DECLARE v_empno NUMBER := 10; v_ename VARCHAR2(25); BEGIN SELECT ename INTO v_ename FROM emp WHERE empno = v_empno; DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_ename); BEGIN UPDATE emp SET sal = sal * 1.10 WHERE empno = v_empno; COMMIT; DBMS_OUTPUT.PUT_LINE('Salary updated successfully!'); EXCEPTION WHEN OTHERS THEN ROLLBACK; DBMS_OUTPUT.PUT_LINE('Error updating salary!'); END; END;
IF OBJECT_ID('insert_data', 'P') IS NOT NULL DROP PROCEDURE insert_data; GO CREATE PROCEDURE insert_data(@p_id IN AS NUMBER, p_name IN VARCHAR2, p_age IN NUMBER) AS BEGIN INSERT INTO persons (id, name, age) VALUES (p_id, p_name, p_age); EXCEPTION WHEN DUP_VAL_ON_INDEX THEN RAISERROR('-20100 Duplicate value in unique index.', 16, 1); END; IF OBJECT_ID('get_name', 'FN') IS NOT NULL DROP FUNCTION get_name; GO CREATE FUNCTION get_name(@p_id IN NUMBERDECLARE ) RETURN BEGIN VARCHAR2 RETURN NULL; END; AS BEGIN RETURN (SELECT name FROM persons WHERE id = p_id); IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20200 No data found for given ID.', 16, 1); END END; *** tion DECLARE @v_age FLOAT; BEGIN SELECT @v_age = age FROM persons WHERE id = 1; IF @v_age > 20 BEGIN DBMS_OUTPUT.PUT_LINE('Age is greater than 20.'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Age is less than or equal to 20.'); END END; -- Er... SQLINES DEMO *** BEGIN DELETE FROM persons WHERE id = 1; IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No data found to delete.'); END END;
CREATE OR REPLACE PROCEDURE insert_data(p_id IN NUMBER, p_name IN VARCHAR2, p_age IN NUMBER) AS BEGIN INSERT INTO persons (id, name, age) VALUES (p_id, p_name, p_age); EXCEPTION WHEN DUP_VAL_ON_INDEX THEN RAISE_APPLICATION_ERROR(-20100, 'Duplicate value in unique index.'); END; CREATE OR REPLACE FUNCTION get_name(p_id IN NUMBER) RETURN VARCHAR2 AS BEGIN RETURN (SELECT name FROM persons WHERE id = p_id); EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR(-20200, 'No data found for given ID.'); END; -- Conditional execution DECLARE v_age NUMBER; BEGIN SELECT age INTO v_age FROM persons WHERE id = 1; IF v_age > 20 THEN DBMS_OUTPUT.PUT_LINE('Age is greater than 20.'); ELSE DBMS_OUTPUT.PUT_LINE('Age is less than or equal to 20.'); END IF; END; -- Error handling BEGIN DELETE FROM persons WHERE id = 1; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No data found to delete.'); END;
IF OBJECT_ID('my_proc', 'P') IS NOT NULL DROP PROCEDURE my_proc; GO CREATE PROCEDURE my_proc (@n IN AS NUMBER) IS v_result SET @NUMBER = 0; BEGIN IF n > 10 BEGIN set @v_result = n * 2; END ELSE BEGIN set @v_result = n + 1; END DBMS_OUTPUT.PUT_LINE(v_result); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error: ' + ISNULL(SQLERRM, '')); END;
CREATE OR REPLACE PROCEDURE my_proc (n IN NUMBER) IS v_result NUMBER := 0; BEGIN IF n > 10 THEN v_result := n * 2; ELSE v_result := n + 1; END IF; DBMS_OUTPUT.PUT_LINE(v_result); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM); END;
CREATE PROCEDURE usp_update_employee( @IN v_empno AS NUMBER, IN v_ename VARCHAR2, IN v_job VARCHAR2, IN v_mgr NUMBER, IN v_sal NUMBER, IN v_comm NUMBER, IN v_deptno NUMBER, OUT v_status VARCHAR2 ) AS BEGIN BEGIN UPDATE employees SET ename = v_ename, job = v_job, mgr = v_mgr, sal = v_sal, comm = v_comm, deptno = v_deptno WHERE empno = v_empno; set @v_status = 'SUCCESS'; IF @@FETCH_STATUS <> 0 BEGIN set @v_status = 'NOT_FOUND'; EXCEPTION WHEN OTHERS THEN set @v_status = 'ERROR'; END END; END;
CREATE PROCEDURE usp_update_employee( IN v_empno NUMBER, IN v_ename VARCHAR2, IN v_job VARCHAR2, IN v_mgr NUMBER, IN v_sal NUMBER, IN v_comm NUMBER, IN v_deptno NUMBER, OUT v_status VARCHAR2 ) AS BEGIN BEGIN UPDATE employees SET ename = v_ename, job = v_job, mgr = v_mgr, sal = v_sal, comm = v_comm, deptno = v_deptno WHERE empno = v_empno; v_status := 'SUCCESS'; EXCEPTION WHEN NO_DATA_FOUND THEN v_status := 'NOT_FOUND'; EXCEPTION WHEN OTHERS THEN v_status := 'ERROR'; END; END;
*** with Error Handling IF OBJECT_ID('my_proc', 'P') IS NOT NULL DROP PROCEDURE my_proc; GO CREATE PROCEDURE my_proc (@param1 IN AS NUMBER, param2 IN NUMBER, OUT result OUT NUMBER) AS BEGIN -- Ex... SQLINES DEMO *** set @result = param1 * param2; *** error EXCEPTION WHEN OTHERS THEN *** raise a custom exception DBMS_OUTPUT.PUT_LINE('Error: ' + ISNULL(SQLERRM, '')); RAISERROR('-20001 Error in my_proc', 16, 1); END;
-- Stored Procedure with Error Handling CREATE OR REPLACE PROCEDURE my_proc (param1 IN NUMBER, param2 IN NUMBER, OUT result OUT NUMBER) AS BEGIN -- Execute some logic result := param1 * param2; -- Handle potential error EXCEPTION WHEN OTHERS THEN -- Log the error and raise a custom exception DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM); RAISE_APPLICATION_ERROR(-20001, 'Error in my_proc'); END;
DECLARE @v_emp_id FLOAT; v_emp_name dbo.VARCHAR2(200); v_emp_salary NUMBER; BEGIN SELECT @v_emp_id = emp_id, @v_emp_name = emp_name, @v_emp_salary = emp_salary FROM employees WHERE emp_id = 10; IF v_emp_salary > 50000 BEGIN DBMS_OUTPUT.PUT_LINE('Employee ' + isnull(v_emp_name, '') + ' is eligible for a bonus.'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Employee ' + isnull(v_emp_name, '') + ' is not eligible for a bonus.'); END IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee found with ID 10.'); END END;
DECLARE v_emp_id NUMBER; v_emp_name VARCHAR2(200); v_emp_salary NUMBER; BEGIN SELECT emp_id, emp_name, emp_salary INTO v_emp_id, v_emp_name, v_emp_salary FROM employees WHERE emp_id = 10; IF v_emp_salary > 50000 THEN DBMS_OUTPUT.PUT_LINE('Employee ' || v_emp_name || ' is eligible for a bonus.'); ELSE DBMS_OUTPUT.PUT_LINE('Employee ' || v_emp_name || ' is not eligible for a bonus.'); END IF; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employee found with ID 10.'); END;
DECLARE @v_salary FLOAT; BEGIN SELECT @v_salary = salary FROM employees WHERE employee_id = 10; IF @v_salary > 10000 BEGIN UPDATE employees SET salary = salary * 1.1 WHERE employee_id = 10; END COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
DECLARE v_salary NUMBER; BEGIN SELECT salary INTO v_salary FROM employees WHERE employee_id = 10; IF v_salary > 10000 THEN UPDATE employees SET salary = salary * 1.1 WHERE employee_id = 10; END IF; COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
DECLARE @v_empno FLOAT := 10; v_ename dbo.VARCHAR2(20) := 'John Doe'; BEGIN *** oyee INSERT INTO employees (empno, ename) VALUES (@v_empno, v_ename); *** ee's name UPDATE employees SET ename = 'Jane Doe' WHERE empno = @v_empno; -- De... SQLINES DEMO *** DELETE FROM employees WHERE empno = @v_empno; IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee found with empno ' + isnull(@v_empno, '')); END END;
DECLARE v_empno NUMBER := 10; v_ename VARCHAR2(20) := 'John Doe'; BEGIN -- Insert a new employee INSERT INTO employees (empno, ename) VALUES (v_empno, v_ename); -- Update the employee's name UPDATE employees SET ename = 'Jane Doe' WHERE empno = v_empno; -- Delete the employee DELETE FROM employees WHERE empno = v_empno; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employee found with empno ' || v_empno); END;
IF OBJECT_ID('subtract_salary', 'P') IS NOT NULL DROP PROCEDURE subtract_salary; GO CREATE PROCEDURE subtract_salary(@emp_id IN AS NUMBER, amt IN NUMBER) AS new_salary NUMBER; BEGIN SELECT @new_salary = salary FROM employees WHERE employee_id = emp_id; set @new_salary = new_salary - amt; UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; DBMS_OUTPUT.PUT_LINE('Salary updated successfully.'); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred while updating salary.'); END; / BEGIN dbo.subtract_salary(100, 200); END; /
CREATE OR REPLACE PROCEDURE subtract_salary(emp_id IN NUMBER, amt IN NUMBER) AS new_salary NUMBER; BEGIN SELECT salary INTO new_salary FROM employees WHERE employee_id = emp_id; new_salary := new_salary - amt; UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; DBMS_OUTPUT.PUT_LINE('Salary updated successfully.'); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred while updating salary.'); END; / BEGIN subtract_salary(100, 200); END; /
DECLARE @x INTEGER := 10; BEGIN IF @x > 5 BEGIN SET @x = @x + 1; END ELSE BEGIN SET @x = @x - 1; END IF @x > 10 BEGIN RAISE PROGRAM_ERROR; END UPDATE employees SET salary = salary * 1.10 WHERE department_id = 20; INSERT INTO orders ( customer_id, order_date, total_amount) VALUES ( 10, GETDATE(), 100); COMMIT; EXCEPTION WHEN PROGRAM_ERROR THEN ROLLBACK; END;
DECLARE x INTEGER := 10; BEGIN IF x > 5 THEN x := x + 1; ELSE x := x - 1; END IF; IF x > 10 THEN RAISE PROGRAM_ERROR; END IF; UPDATE employees SET salary = salary * 1.10 WHERE department_id = 20; INSERT INTO orders (order_id, customer_id, order_date, total_amount) VALUES (order_seq.NEXTVAL, 10, SYSDATE, 100); COMMIT; EXCEPTION WHEN PROGRAM_ERROR THEN ROLLBACK; END;
CREATE PROCEDURE delete_employee(@emp_id INT) AS BEGIN SET NOCOUNT ON; DELETE FROM employees WHERE employee_id = @emp_id; COMMIT; END;
PROCEDURE delete_employee(emp_id INT) IS BEGIN DELETE FROM employees WHERE employee_id = emp_id; COMMIT; END;
BEGIN DECLARE @v_salary FLOAT; BEGIN SELECT @v_salary = salary FROM employees WHERE employee_id = 10; IF @@fetch_status <> 0 BEGIN SET @v_salary = 0; END END; IF @v_salary > 10000 BEGIN UPDATE employees SET salary = @v_salary + 1000 WHERE employee_id = 10; END END;
BEGIN DECLARE v_salary NUMBER; BEGIN SELECT salary INTO v_salary FROM employees WHERE employee_id = 10; EXCEPTION WHEN no_data_found THEN v_salary := 0; END; IF v_salary > 10000 THEN UPDATE employees SET salary = v_salary + 1000 WHERE employee_id = 10; END IF; END;
BEGIN CREATE PROCEDURE get_customer_orders(@cust_id IN AS NUMBER) AS orders_cursor SYS_REFCURSOR; BEGIN SELECT order_id, order_date, order_total FROM orders WHERE customer_id = cust_id; RETURN orders_cursor; END; END; DECLARE @orders_cursor SYS_REFCURSOR; customer_id SET @NUMBER = 12345; BEGIN SET @orders_cursor = dbo.get_customer_orders(customer_id); WHILE 1=1 BEGIN FETCH orders_cursor INTO @order_id, @order_date, @order_total; IF @@FETCH_STATUS <> 0 BREAK; DBMS_OUTPUT.PUT_LINE(isnull(order_id, '') + ' ' + isnull(order_date, '') + ' ' + isnull(order_total, '')); END; CLOSE orders_cursor; END;
BEGIN CREATE PROCEDURE get_customer_orders(cust_id IN NUMBER) AS orders_cursor SYS_REFCURSOR; BEGIN OPEN orders_cursor FOR SELECT order_id, order_date, order_total FROM orders WHERE customer_id = cust_id; RETURN orders_cursor; END; END; DECLARE orders_cursor SYS_REFCURSOR; customer_id NUMBER := 12345; BEGIN orders_cursor := get_customer_orders(customer_id); LOOP FETCH orders_cursor INTO order_id, order_date, order_total; EXIT WHEN orders_cursor%NOTFOUND; DBMS_OUTPUT.PUT_LINE(order_id || ' ' || order_date || ' ' || order_total); END LOOP; CLOSE orders_cursor; END;
CREATE TABLE orders ( order_id BIGINT PRIMARY KEY, customer_id BIGINT NOT NULL, item_id BIGINT NOT NULL, quantity BIGINT NOT NULL, order_date DATE NOT NULL, ship_date DATE, status VARCHAR(20) NOT NULL ); CREATE INDEX idx_orders_customer_id ON orders (customer_id); CREATE INDEX idx_orders_item_id ON orders (item_id); CREATE SEQUENCE orders_seq; IF OBJECT_ID('get_order_total', 'FN') IS NOT NULL DROP FUNCTION get_order_total; GO CREATE FUNCTION get_order_total(@order_id FLOAT) RETURNS FLOAT AS BEGIN DECLARE @total FLOAT; SELECT @total = SUM(quantity * unit_price) FROM order_details WHERE @order_id = @order_id; RETURN @total; END; IF OBJECT_ID('process_orders', 'P') IS NOT NULL DROP PROCEDURE process_orders; GO CREATE PROCEDURE process_orders(@order_ids VARCHAR(4000)) AS CURSOR order_cursor IS SELECT order_id, customer_id FROM orders WHERE order_id IN (order_ids); BEGIN DECLARE order_rec CURSOR FOR order_cursor LOOP BEGIN -- Pr... SQLINES DEMO *** EXCEPTION WHEN OTHERS THEN -- Ha... SQLINES DEMO *** END; FETCH order_rec INTO; END; CLOSE order_rec; DEALLOCATE order_rec; END;
CREATE TABLE orders ( order_id NUMBER(10) PRIMARY KEY, customer_id NUMBER(10) NOT NULL, item_id NUMBER(10) NOT NULL, quantity NUMBER(10) NOT NULL, order_date DATE NOT NULL, ship_date DATE, status VARCHAR2(20) NOT NULL ); CREATE INDEX idx_orders_customer_id ON orders (customer_id); CREATE INDEX idx_orders_item_id ON orders (item_id); CREATE SEQUENCE orders_seq; CREATE OR REPLACE FUNCTION get_order_total(order_id NUMBER) RETURN NUMBER IS total NUMBER; BEGIN SELECT SUM(quantity * unit_price) INTO total FROM order_details WHERE order_id = order_id; RETURN total; END; CREATE OR REPLACE PROCEDURE process_orders(order_ids VARCHAR2) IS CURSOR order_cursor IS SELECT order_id, customer_id FROM orders WHERE order_id IN (order_ids); BEGIN FOR order_rec IN order_cursor LOOP BEGIN -- Process order EXCEPTION WHEN OTHERS THEN -- Handle error END; END LOOP; END;
IF OBJECT_ID('get_customer_orders', 'P') IS NOT NULL DROP PROCEDURE get_customer_orders; GO CREATE PROCEDURE get_customer_orders(@customer_id IN AS NUMBER) AS CURSOR c_orders IS SELECT order_date, order_total FROM orders WHERE customer_id = customer_id; BEGIN DECLARE rec CURSOR FOR c_orders LOOP DBMS_OUTPUT.PUT_LINE('Order date: ' + ISNULL(CONVERT(VARCHAR(10), @rec_order_date, 101), '') + ', Order total: ' + isnull(@rec_order_total, '')); FETCH rec INTO; END; CLOSE rec; DEALLOCATE rec; END;
CREATE OR REPLACE PROCEDURE get_customer_orders(customer_id IN NUMBER) AS CURSOR c_orders IS SELECT order_date, order_total FROM orders WHERE customer_id = customer_id; BEGIN FOR rec IN c_orders LOOP DBMS_OUTPUT.PUT_LINE('Order date: ' || TO_CHAR(rec.order_date, 'MM/DD/YYYY') || ', Order total: ' || rec.order_total); END LOOP; END;
IF OBJECT_ID('calculate_sales_total', 'P') IS NOT NULL DROP PROCEDURE calculate_sales_total; GO CREATE PROCEDURE calculate_sales_total( @p_order_id IN AS NUMBER, p_total OUT NUMBER ) IS l_line_total NUMBER; BEGIN SELECT @p_total = SUM(line_total) FROM order_lines WHERE order_id = p_order_id; IF p_total IS NULL BEGIN set @p_total = 0; END END;
CREATE OR REPLACE PROCEDURE calculate_sales_total( p_order_id IN NUMBER, p_total OUT NUMBER ) IS l_line_total NUMBER; BEGIN SELECT SUM(line_total) INTO p_total FROM order_lines WHERE order_id = p_order_id; IF p_total IS NULL THEN p_total := 0; END IF; END;
BEGIN DECLARE @v_id FLOAT; BEGIN SELECT @v_id = id FROM table_name WHERE name = 'John'; IF @@FETCH_STATUS <> 0 BEGIN SET @v_id = -1; END END; END; CREATE FUNCTION get_average_salary(@department_id IN NUMBERDECLARE ) RETURN BEGIN NUMBER RETURN NULL; END; IS v_average_salary NUMBER; BEGIN SELECT @v_average_salary = AVG(salary) FROM employee_table WHERE department_id = department_id; RETURN v_average_salary; IF @@FETCH_STATUS <> 0 BEGIN RETURN -1; END END; DECLARE @v_name VARCHAR(20); BEGIN DECLARE @i INT = 1 ; WHILE @i <= 10 BEGIN SET @v_name = 'John' + isnull(i, ''); INSERT INTO table_name (name) VALUES (@v_name); END; END; BEGIN BEGIN RAISERROR('-20001 An error occurred', 16, 1); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred'); END; END;
BEGIN DECLARE v_id NUMBER; BEGIN SELECT id INTO v_id FROM table_name WHERE name = 'John'; EXCEPTION WHEN NO_DATA_FOUND THEN v_id := -1; END; END; CREATE FUNCTION get_average_salary(department_id IN NUMBER) RETURN NUMBER IS v_average_salary NUMBER; BEGIN SELECT AVG(salary) INTO v_average_salary FROM employee_table WHERE department_id = department_id; RETURN v_average_salary; EXCEPTION WHEN NO_DATA_FOUND THEN RETURN -1; END; DECLARE v_name VARCHAR2(20); BEGIN FOR i IN 1 .. 10 LOOP v_name := 'John' || i; INSERT INTO table_name (name) VALUES (v_name); END LOOP; END; BEGIN BEGIN RAISE_APPLICATION_ERROR(-20001, 'An error occurred'); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred'); END; END;
DECLARE @numEmps FLOAT; BEGIN SELECT @numEmps = COUNT(*) FROM employees; IF @numEmps > 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employees found.'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('No employees found.'); RAISERROR('-20001 No employees found.', 16, 1); END END;
DECLARE numEmps NUMBER; BEGIN SELECT COUNT(*) INTO numEmps FROM employees; IF numEmps > 0 THEN DBMS_OUTPUT.PUT_LINE('Employees found.'); ELSE DBMS_OUTPUT.PUT_LINE('No employees found.'); RAISE_APPLICATION_ERROR(-20001, 'No employees found.'); END IF; END;
CREATE PROCEDURE create_employee( @first_name IN AS VARCHAR2, last_name IN VARCHAR2, salary IN NUMBER ) IS -- De... SQLINES DEMO *** emp_id NUMBER; BEGIN *** oyee into the database INSERT INTO employees (first_name, last_name, salary) VALUES (first_name, last_name, salary); SET @emp_id = SCOPE_IDENTITY(); -- Co... SQLINES DEMO *** COMMIT; *** ee ID RETURN emp_id; EXCEPTION -- Ha... SQLINES DEMO *** WHEN OTHERS THEN ROLLBACK; RAISE; END; BEGIN *** rocedure set @emp_id = dbo.create_employee('John', 'Doe', 50000); *** yee ID DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(emp_id, '')); END;
PROCEDURE create_employee( first_name IN VARCHAR2, last_name IN VARCHAR2, salary IN NUMBER ) IS -- Declare variables emp_id NUMBER; BEGIN -- Insert a new employee into the database INSERT INTO employees (first_name, last_name, salary) VALUES (first_name, last_name, salary) RETURNING employee_id INTO emp_id; -- Commit the changes COMMIT; -- Return the employee ID RETURN emp_id; EXCEPTION -- Handle any errors WHEN OTHERS THEN ROLLBACK; RAISE; END; BEGIN -- Call the stored procedure emp_id := create_employee('John', 'Doe', 50000); -- Display the employee ID DBMS_OUTPUT.PUT_LINE('Employee ID: ' || emp_id); END;
BEGIN DECLARE @salary FLOAT := 5000; BEGIN IF @salary > 6000 BEGIN dbo.RAISE_SALARY(@salary); END IF @@FETCH_STATUS <> 0 BEGIN NULL; END END; COMMIT; END;
BEGIN DECLARE salary NUMBER := 5000; BEGIN IF salary > 6000 THEN RAISE_SALARY(salary); END IF; EXCEPTION WHEN NO_DATA_FOUND THEN NULL; END; COMMIT; END;
IF OBJECT_ID('get_employee_salary', 'FN') IS NOT NULL DROP FUNCTION get_employee_salary; GO 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 OR REPLACE 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;
DECLARE @emp_name VARCHAR(50); BEGIN SELECT @emp_name = isnull(first_name, '') + ' ' + isnull(last_name, '') FROM employees WHERE employee_id = 10; DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(@emp_name, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found'); END END;
DECLARE emp_name VARCHAR2(50); BEGIN SELECT first_name || ' ' || last_name INTO emp_name FROM employees WHERE employee_id = 10; DBMS_OUTPUT.PUT_LINE('Employee Name: ' || emp_name); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee not found'); END;
DECLARE -- De... SQLINES DEMO *** @v_emp_id FLOAT; v_emp_name dbo.VARCHAR2(50); v_emp_salary NUMBER; v_bonus ROW_NUMBER(10,2); BEGIN *** information SELECT @v_emp_id = employee_id, @v_emp_name = employee_name, @v_emp_salary = salary FROM employees WHERE employee_id = 100; -- Ca... SQLINES DEMO *** SET @v_bonus = v_emp_salary * 0.1; *** onus UPDATE employees SET bonus = v_bonus WHERE employee_id = @v_emp_id; -- Co... SQLINES DEMO *** COMMIT; -- Ha... SQLINES DEMO *** EXCEPTION WHEN others THEN -- Ro... SQLINES DEMO *** ROLLBACK; -- Lo... SQLINES DEMO *** DBMS_OUTPUT.PUT_LINE('Error occurred: ' + ISNULL(SQLERRM, '')); END;
DECLARE -- Declare variables v_emp_id NUMBER; v_emp_name VARCHAR2(50); v_emp_salary NUMBER; v_bonus NUMBER(10,2); BEGIN -- Retrieve employee information SELECT employee_id, employee_name, salary INTO v_emp_id, v_emp_name, v_emp_salary FROM employees WHERE employee_id = 100; -- Calculate bonus v_bonus := v_emp_salary * 0.1; -- Update employee bonus UPDATE employees SET bonus = v_bonus WHERE employee_id = v_emp_id; -- Commit changes COMMIT; -- Handle errors EXCEPTION WHEN others THEN -- Rollback changes ROLLBACK; -- Log error DBMS_OUTPUT.PUT_LINE('Error occurred: ' || SQLERRM); END;
DECLARE @v_sal float; BEGIN SELECT @v_sal = salary FROM employees WHERE employee_id = 10; IF @v_sal IS NULL BEGIN RAISERROR('-20001 Employee not found', 16, 1); END UPDATE employees SET salary = @v_sal * 1.10 WHERE employee_id = 10; END;
DECLARE v_sal number; BEGIN SELECT salary INTO v_sal FROM employees WHERE employee_id = 10; IF v_sal IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END IF; UPDATE employees SET salary = v_sal * 1.10 WHERE employee_id = 10; END;
DECLARE @l_empno FLOAT; l_salary NUMBER; BEGIN SELECT @l_empno = empno, @l_salary = salary FROM emp WHERE empno = 10; IF l_salary > 10000 BEGIN RAISERROR('-20001 Salary too high for employee ' + isnull(@l_empno, ''), 16, 1); END UPDATE emp SET salary = l_salary + 500 WHERE empno = @l_empno; COMMIT; END;
DECLARE l_empno NUMBER; l_salary NUMBER; BEGIN SELECT empno, salary INTO l_empno, l_salary FROM emp WHERE empno = 10; IF l_salary > 10000 THEN RAISE_APPLICATION_ERROR(-20001, 'Salary too high for employee ' || l_empno); END IF; UPDATE emp SET salary = l_salary + 500 WHERE empno = l_empno; COMMIT; END;
DECLARE v_cursor CURSOR FOR SELECT * FROM employees; BEGIN DECLARE v_emp CURSOR FOR v_cursor OPEN v_emp; FETCH v_emp INTO; WHILE @@FETCH_STATUS=0 BEGIN IF @v_emp_salary > 10000 BEGIN UPDATE employees SET salary = salary * 1.10 WHERE employee_id = @v_emp_employee_id; END ELSE IF @v_emp_salary > 5000 BEGIN UPDATE employees SET salary = salary * 1.05 WHERE employee_id = @v_emp_employee_id; END ELSE BEGIN UPDATE employees SET salary = salary * 1.02 WHERE employee_id = @v_emp_employee_id; END FETCH v_emp INTO; END; CLOSE v_emp; DEALLOCATE v_emp; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' + ISNULL(SQLERRM, '')); END;
DECLARE v_cursor CURSOR FOR SELECT * FROM employees; BEGIN FOR v_emp IN v_cursor LOOP IF v_emp.salary > 10000 THEN UPDATE employees SET salary = salary * 1.10 WHERE employee_id = v_emp.employee_id; ELSIF v_emp.salary > 5000 THEN UPDATE employees SET salary = salary * 1.05 WHERE employee_id = v_emp.employee_id; ELSE UPDATE employees SET salary = salary * 1.02 WHERE employee_id = v_emp.employee_id; END IF; END LOOP; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' || SQLERRM); END;
DECLARE @v_cursor SYS_REFCURSOR; BEGIN SELECT * FROM emp; WHILE 1=1 BEGIN FETCH v_cursor INTO @v_empno, @v_ename, @v_sal; IF @@FETCH_STATUS <> 0 BREAK; DBMS_OUTPUT.PUT_LINE('Empno: ' + isnull(v_empno, '') + ', Ename: ' + isnull(v_ename, '') + ', Salary:' + isnull(v_sal, '')); END; CLOSE v_cursor; IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No data found.'); END END;
DECLARE v_cursor SYS_REFCURSOR; BEGIN OPEN v_cursor FOR SELECT * FROM emp; LOOP FETCH v_cursor INTO v_empno, v_ename, v_sal; EXIT WHEN v_cursor%NOTFOUND; DBMS_OUTPUT.PUT_LINE('Empno: ' || v_empno || ', Ename: ' || v_ename || ', Salary:' || v_sal); END LOOP; CLOSE v_cursor; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No data found.'); END;
DECLARE @v_empno SMALLINT; BEGIN SELECT @v_empno = empno FROM emp WHERE ename = 'KING'; UPDATE emp SET sal = sal * 1.10 WHERE empno = @v_empno; COMMIT; IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20001 Employee not found', 16, 1); END END;
DECLARE v_empno NUMBER(4); BEGIN SELECT empno INTO v_empno FROM emp WHERE ename = 'KING'; UPDATE emp SET sal = sal * 1.10 WHERE empno = v_empno; COMMIT; EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END;
*** rocedure to insert a new employee IF OBJECT_ID('insert_employee', 'P') IS NOT NULL DROP PROCEDURE insert_employee; GO CREATE PROCEDURE insert_employee( @last_name IN AS VARCHAR2, first_name IN VARCHAR2, email IN VARCHAR2, salary IN NUMBER, department_id IN NUMBER ) AS BEGIN *** into the employees table INSERT INTO employees (last_name, first_name, email, salary, department_id) VALUES (last_name, first_name, email, salary, department_id); -- Co... SQLINES DEMO *** COMMIT; END; *** to calculate the total salary for a department IF OBJECT_ID('get_department_salary', 'FN') IS NOT NULL DROP FUNCTION get_department_salary; GO CREATE FUNCTION get_department_salary( @department_id IN NUMBER DECLARE ) RETURN BEGIN NUMBER RETURN NULL; END; AS BEGIN *** al salary for the department SELECT SUM(salary) FROM employees WHERE department_id = department_id; END; *** tement to select all employees SELECT * FROM employees; *** w construct to conditionally execute a block of code IF salary > 100000 BEGIN *** he salary is greater than 100,000 UPDATE employees SET bonus = 10000 WHERE salary > 100000; END *** cenario BEGIN *** block of code *** s, the exception is handled and the error message is displayed BEGIN -- Do... SQLINES DEMO *** EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END; END;
-- Create a stored procedure to insert a new employee CREATE OR REPLACE PROCEDURE insert_employee( last_name IN VARCHAR2, first_name IN VARCHAR2, email IN VARCHAR2, salary IN NUMBER, department_id IN NUMBER ) AS BEGIN -- Insert a new row into the employees table INSERT INTO employees (last_name, first_name, email, salary, department_id) VALUES (last_name, first_name, email, salary, department_id); -- Commit the changes COMMIT; END; -- Create a function to calculate the total salary for a department CREATE OR REPLACE FUNCTION get_department_salary( department_id IN NUMBER ) RETURN NUMBER AS BEGIN -- Calculate the total salary for the department SELECT SUM(salary) FROM employees WHERE department_id = department_id; END; -- Execute a SQL statement to select all employees SELECT * FROM employees; -- Use a control flow construct to conditionally execute a block of code IF salary > 100000 THEN -- Do something if the salary is greater than 100,000 UPDATE employees SET bonus = 10000 WHERE salary > 100000; END IF; -- Handle an error scenario BEGIN -- Try to execute a block of code -- If an error occurs, the exception is handled and the error message is displayed BEGIN -- Do something EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END; END;
IF OBJECT_ID('sp_insert_customer', 'P') IS NOT NULL DROP PROCEDURE sp_insert_customer; GO CREATE PROCEDURE sp_insert_customer( @p_name IN AS VARCHAR2, p_address IN VARCHAR2, p_phone IN VARCHAR2) IS v_customer_id NUMBER; BEGIN INSERT INTO customers (name, address, phone) VALUES (p_name, p_address, p_phone); SET @v_customer_id = SCOPE_IDENTITY(); COMMIT; DBMS_OUTPUT.PUT_LINE('Customer inserted with ID: ' + isnull(v_customer_id, '')); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error inserting customer: ' + ISNULL(SQLERRM, '')); ROLLBACK; END;
CREATE OR REPLACE PROCEDURE sp_insert_customer( p_name IN VARCHAR2, p_address IN VARCHAR2, p_phone IN VARCHAR2) IS v_customer_id NUMBER; BEGIN INSERT INTO customers (name, address, phone) VALUES (p_name, p_address, p_phone) RETURNING customer_id INTO v_customer_id; COMMIT; DBMS_OUTPUT.PUT_LINE('Customer inserted with ID: ' || v_customer_id); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error inserting customer: ' || SQLERRM); ROLLBACK; END;
CREATE FUNCTION get_order_total(@order_id FLOAT) RETURNS FLOAT AS BEGIN DECLARE @order_total FLOAT; SELECT @order_total = SUM(quantity * unit_price) FROM order_items WHERE @order_id = @order_id; RETURN @order_total; IF @@FETCH_STATUS <> 0 BEGIN RETURN NULL; END END; CREATE PROCEDURE update_order_status(@order_id FLOAT, @new_status VARCHAR(4000)) AS BEGIN SET NOCOUNT ON; UPDATE orders SET status = @new_status WHERE @order_id = @order_id; END; DECLARE @order_id FLOAT := 12345; order_total NUMBER; BEGIN SET @order_total = dbo.get_order_total(@order_id); IF order_total > 100 BEGIN dbo.update_order_status(@order_id, 'Shipped'); END ELSE IF order_total > 50 BEGIN dbo.update_order_status(@order_id, 'Processing'); END ELSE BEGIN dbo.update_order_status(@order_id, 'Pending'); END END;
CREATE FUNCTION get_order_total(order_id NUMBER) RETURN NUMBER IS order_total NUMBER; BEGIN SELECT SUM(quantity * unit_price) INTO order_total FROM order_items WHERE order_id = order_id; RETURN order_total; EXCEPTION WHEN NO_DATA_FOUND THEN RETURN NULL; END; CREATE PROCEDURE update_order_status(order_id NUMBER, new_status VARCHAR2) IS BEGIN UPDATE orders SET status = new_status WHERE order_id = order_id; END; DECLARE order_id NUMBER := 12345; order_total NUMBER; BEGIN order_total := get_order_total(order_id); IF order_total > 100 THEN update_order_status(order_id, 'Shipped'); ELSIF order_total > 50 THEN update_order_status(order_id, 'Processing'); ELSE update_order_status(order_id, 'Pending'); END IF; END;
CREATE TABLE employees( emp_id FLOAT IDENTITY() PRIMARY KEY, name VARCHAR(50) NOT NULL, salary FLOAT NOT NULL ); CREATE PROCEDURE give_raise(@emp_id FLOAT, @raise_amount FLOAT) AS BEGIN SET NOCOUNT ON; UPDATE employees SET salary = salary + @raise_amount WHERE @emp_id = @emp_id; IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20000 Employee not found', 16, 1); END END; DECLARE @v_emp_id FLOAT; v_raise_amount NUMBER; BEGIN SELECT @v_emp_id = emp_id, @v_raise_amount = salary FROM employees WHERE name = 'John Doe'; dbo.give_raise(@v_emp_id, v_raise_amount * 0.1); END;
CREATE TABLE employees( emp_id NUMBER GENERATED ALWAYS AS IDENTITY PRIMARY KEY, name VARCHAR2(50) NOT NULL, salary NUMBER NOT NULL ); CREATE PROCEDURE give_raise(emp_id NUMBER, raise_amount NUMBER) AS BEGIN UPDATE employees SET salary = salary + raise_amount WHERE emp_id = emp_id; EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR(-20000, 'Employee not found'); END; DECLARE v_emp_id NUMBER; v_raise_amount NUMBER; BEGIN SELECT emp_id, salary INTO v_emp_id, v_raise_amount FROM employees WHERE name = 'John Doe'; give_raise(v_emp_id, v_raise_amount * 0.1); END;
CREATE TABLE employees ( emp_id INT PRIMARY KEY, first_name VARCHAR(20), last_name VARCHAR(20), salary DECIMAL(8,2), dept_id SMALLINT REFERENCES departments(dept_id) ); CREATE TABLE departments ( dept_id SMALLINT PRIMARY KEY, dept_name VARCHAR(20) ); CREATE TYPE address_type AS OBJECT ( street_address VARCHAR2(30), city dbo.VARCHAR2(20), state dbo.VARCHAR2(2), zip_code dbo.VARCHAR2(10) ); CREATE TABLE addresses ( address_id INT PRIMARY KEY, address_type address_type, emp_id INT REFERENCES employees(emp_id) ); CREATE FUNCTION get_employee_salary(@emp_id IN NUMBERDECLARE ) RETURN BEGIN NUMBER RETURN NULL; END; IS emp_salary ROW_NUMBER(8,2); BEGIN SELECT @emp_salary = salary FROM employees WHERE emp_id = emp_id; RETURN emp_salary; END; CREATE PROCEDURE update_employee_salary(@emp_id IN AS NUMBER, new_salary IN NUMBER) IS BEGIN UPDATE employees SET salary = new_salary WHERE emp_id = emp_id; END; BEGIN DECLARE @emp_id INT; emp_salary ROW_NUMBER(8,2); employee_address address_type; BEGIN SELECT @emp_id = @emp_id, @first_name = first_name, @last_name = last_name, @emp_salary = salary FROM employees WHERE last_name = 'Smith'; DBMS_OUTPUT.PUT_LINE('Employee Information:'); DBMS_OUTPUT.PUT_LINE('==================='); DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(@emp_id, '')); DBMS_OUTPUT.PUT_LINE('First Name: ' + isnull(first_name, '')); DBMS_OUTPUT.PUT_LINE('Last Name: ' + isnull(last_name, '')); DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(emp_salary, '')); SELECT @employee_address = address_type FROM addresses WHERE @emp_id = @emp_id; DBMS_OUTPUT.PUT_LINE('Employee Address:'); DBMS_OUTPUT.PUT_LINE('================='); DBMS_OUTPUT.PUT_LINE('Street Address: ' + isnull(employee_address.street_address, '')); DBMS_OUTPUT.PUT_LINE('City: ' + isnull(employee_address.city, '')); DBMS_OUTPUT.PUT_LINE('State: ' + isnull(employee_address.state, '')); DBMS_OUTPUT.PUT_LINE('Zip Code: ' + isnull(employee_address.zip_code, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee with the last name Smith was found.'); END END; END;
CREATE TABLE employees ( emp_id NUMBER(6) PRIMARY KEY, first_name VARCHAR2(20), last_name VARCHAR2(20), salary NUMBER(8,2), dept_id NUMBER(2) REFERENCES departments(dept_id) ); CREATE TABLE departments ( dept_id NUMBER(2) PRIMARY KEY, dept_name VARCHAR2(20) ); CREATE TYPE address_type AS OBJECT ( street_address VARCHAR2(30), city VARCHAR2(20), state VARCHAR2(2), zip_code VARCHAR2(10) ); CREATE TABLE addresses ( address_id NUMBER(6) PRIMARY KEY, address_type address_type, emp_id NUMBER(6) REFERENCES employees(emp_id) ); CREATE FUNCTION get_employee_salary(emp_id IN NUMBER) RETURN NUMBER IS emp_salary NUMBER(8,2); BEGIN SELECT salary INTO emp_salary FROM employees WHERE emp_id = emp_id; RETURN emp_salary; END; CREATE PROCEDURE update_employee_salary(emp_id IN NUMBER, new_salary IN NUMBER) IS BEGIN UPDATE employees SET salary = new_salary WHERE emp_id = emp_id; END; BEGIN DECLARE emp_id NUMBER(6); emp_salary NUMBER(8,2); employee_address address_type; BEGIN SELECT emp_id, first_name, last_name, salary INTO emp_id, first_name, last_name, emp_salary FROM employees WHERE last_name = 'Smith'; DBMS_OUTPUT.PUT_LINE('Employee Information:'); DBMS_OUTPUT.PUT_LINE('==================='); DBMS_OUTPUT.PUT_LINE('Employee ID: ' || emp_id); DBMS_OUTPUT.PUT_LINE('First Name: ' || first_name); DBMS_OUTPUT.PUT_LINE('Last Name: ' || last_name); DBMS_OUTPUT.PUT_LINE('Salary: ' || emp_salary); SELECT address_type INTO employee_address FROM addresses WHERE emp_id = emp_id; DBMS_OUTPUT.PUT_LINE('Employee Address:'); DBMS_OUTPUT.PUT_LINE('================='); DBMS_OUTPUT.PUT_LINE('Street Address: ' || employee_address.street_address); DBMS_OUTPUT.PUT_LINE('City: ' || employee_address.city); DBMS_OUTPUT.PUT_LINE('State: ' || employee_address.state); DBMS_OUTPUT.PUT_LINE('Zip Code: ' || employee_address.zip_code); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employee with the last name Smith was found.'); END; END;
declare @i smallint; j row_number(2); begin declare @i int = 1; while @i <= 10 begin declare @j int = 1; while @j <= 10 begin dbms_output.put_line(isnull(@i, '') + ' * ' + isnull(j, '') + ' = ' + isnull(@i * j, '')); end; end; exception when others then dbms_output.put_line('An error occurred.'); end; /
declare i number(2); j number(2); begin for i in 1..10 loop for j in 1..10 loop dbms_output.put_line(i || ' * ' || j || ' = ' || i * j); end loop; end loop; exception when others then dbms_output.put_line('An error occurred.'); end; /
DECLARE @employee_name VARCHAR(50); salary NUMBER; BEGIN SELECT @employee_name = @employee_name, @salary = salary FROM employees WHERE employee_id = 100; IF salary >= 10000 BEGIN DBMS_OUTPUT.PUT_LINE('Employee is eligible for bonus'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Employee is not eligible for bonus'); END END;
DECLARE employee_name VARCHAR2(50); salary NUMBER; BEGIN SELECT employee_name, salary INTO employee_name, salary FROM employees WHERE employee_id = 100; IF salary >= 10000 THEN DBMS_OUTPUT.PUT_LINE('Employee is eligible for bonus'); ELSE DBMS_OUTPUT.PUT_LINE('Employee is not eligible for bonus'); END IF; END;
IF OBJECT_ID('sample_proc', 'P') IS NOT NULL DROP PROCEDURE sample_proc; GO CREATE PROCEDURE sample_proc( @param1 IN AS VARCHAR2, param2 IN NUMBER, param_out OUT VARCHAR2) IS -- Lo... SQLINES DEMO *** var1 NUMBER; var2 dbo.VARCHAR2(20); BEGIN -- As... SQLINES DEMO *** set @var1 = param2 * 2; -- SQ... SQLINES DEMO *** SELECT @var2 = name FROM employees WHERE id = param1; *** assignment set @param_out = var2; -- Er... SQLINES DEMO *** IF var1 < 0 BEGIN RAISERROR('-20000 Invalid parameter: ' + isnull(param2, ''), 16, 1); END -- Co... SQLINES DEMO *** IF var1 = 0 BEGIN set @param_out = 'Even'; END ELSE IF var1 = 1 BEGIN set @param_out = 'Odd'; END ELSE set @param_out = 'Unknown'; END END;
CREATE OR REPLACE PROCEDURE sample_proc( param1 IN VARCHAR2, param2 IN NUMBER, param_out OUT VARCHAR2) IS -- Local variables var1 NUMBER; var2 VARCHAR2(20); BEGIN -- Assignment var1 := param2 * 2; -- SQL statement SELECT name INTO var2 FROM employees WHERE id = param1; -- Output parameter assignment param_out := var2; -- Error handling IF var1 < 0 THEN RAISE_APPLICATION_ERROR(-20000, 'Invalid parameter: ' || param2); END IF; -- Control flow CASE var1 WHEN 0 THEN param_out := 'Even'; WHEN 1 THEN param_out := 'Odd'; ELSE param_out := 'Unknown'; END CASE; END;
IF OBJECT_ID('get_customer_orders', 'FN') IS NOT NULL DROP FUNCTION get_customer_orders; GO CREATE FUNCTION get_customer_orders(@customer_id IN NUMBERDECLARE ) RETURN BEGIN SYS_REFCURSOR RETURN NULL; END; AS orders_ref CURSOR; BEGIN SELECT order_id, order_date FROM orders WHERE customer_id = customer_id; RETURN orders_ref; END; BEGIN DECLARE rec CURSOR FOR SELECT customer_id FROM customers; OPEN rec; FETCH rec INTO; WHILE @@FETCH_STATUS=0 BEGIN DECLARE order_record CURSOR FOR SELECT * FROM TABLE(dbo.get_customer_orders(@rec_customer_id)); OPEN order_record; FETCH order_record INTO; WHILE @@FETCH_STATUS=0 BEGIN *** the order record FETCH order_record INTO; END; CLOSE order_record; DEALLOCATE order_record; FETCH rec INTO; END; CLOSE rec; DEALLOCATE rec; IF @@FETCH_STATUS <> 0 BEGIN END *** und error WHEN OTHERS THEN -- Ha... SQLINES DEMO *** END;
CREATE OR REPLACE FUNCTION get_customer_orders(customer_id IN NUMBER) RETURN SYS_REFCURSOR AS orders_ref CURSOR; BEGIN OPEN orders_ref FOR SELECT order_id, order_date FROM orders WHERE customer_id = customer_id; RETURN orders_ref; END; BEGIN FOR rec IN (SELECT customer_id FROM customers) LOOP FOR order_record IN (SELECT * FROM TABLE(get_customer_orders(rec.customer_id))) LOOP -- Do something with the order record END LOOP; END LOOP; EXCEPTION WHEN NO_DATA_FOUND THEN -- Handle no data found error WHEN OTHERS THEN -- Handle other errors END;
BEGIN -- De... SQLINES DEMO *** v_emp_id NUMBER; v_first_name dbo.VARCHAR2(50); v_last_name dbo.VARCHAR2(50); v_salary NUMBER; v_error_flag SET @BOOLEAN = FALSE; -- Ge... SQLINES DEMO *** SELECT @v_emp_id = emp_id, @v_first_name = first_name, @v_last_name = last_name, @v_salary = salary FROM employees WHERE emp_id = 10; -- Ch... SQLINES DEMO *** IF v_emp_id IS NULL BEGIN set @v_error_flag = TRUE; DBMS_OUTPUT.PUT_LINE('Employee not found'); END -- Pr... SQLINES DEMO *** IF NOT v_error_flag BEGIN DBMS_OUTPUT.PUT_LINE('Employee Details:'); DBMS_OUTPUT.PUT_LINE('------------------'); DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(v_emp_id, '')); DBMS_OUTPUT.PUT_LINE('First Name: ' + isnull(v_first_name, '')); DBMS_OUTPUT.PUT_LINE('Last Name: ' + isnull(v_last_name, '')); DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(v_salary, '')); END END; /
BEGIN -- Declare variables v_emp_id NUMBER; v_first_name VARCHAR2(50); v_last_name VARCHAR2(50); v_salary NUMBER; v_error_flag BOOLEAN := FALSE; -- Get employee data SELECT emp_id, first_name, last_name, salary INTO v_emp_id, v_first_name, v_last_name, v_salary FROM employees WHERE emp_id = 10; -- Check for errors IF v_emp_id IS NULL THEN v_error_flag := TRUE; DBMS_OUTPUT.PUT_LINE('Employee not found'); END IF; -- Print employee data IF NOT v_error_flag THEN DBMS_OUTPUT.PUT_LINE('Employee Details:'); DBMS_OUTPUT.PUT_LINE('------------------'); DBMS_OUTPUT.PUT_LINE('Employee ID: ' || v_emp_id); DBMS_OUTPUT.PUT_LINE('First Name: ' || v_first_name); DBMS_OUTPUT.PUT_LINE('Last Name: ' || v_last_name); DBMS_OUTPUT.PUT_LINE('Salary: ' || v_salary); END IF; END; /
IF OBJECT_ID('sp_example', 'P') IS NOT NULL DROP PROCEDURE sp_example; GO CREATE PROCEDURE sp_example(@id IN AS NUMBER) AS BEGIN UPDATE employees SET salary = salary * 1.1 WHERE employee_id = id; COMMIT; END; DECLARE @v_salary FLOAT; v_emp_name dbo.VARCHAR2(20); BEGIN SELECT @v_salary = salary, @v_emp_name = isnull(first_name, '') + ' ' + isnull(last_name, '') FROM employees WHERE employee_id = 1; IF @v_salary IS NULL BEGIN RAISERROR('-20000 Employee not found', 16, 1); END DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(v_emp_name, '')); DBMS_OUTPUT.PUT_LINE('Salary: ' + ISNULL(CONVERT(VARCHAR, @v_salary), '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No data found for the specified employee ID'); END END; SELECT *;
CREATE OR REPLACE PROCEDURE sp_example(id IN NUMBER) AS BEGIN UPDATE employees SET salary = salary * 1.1 WHERE employee_id = id; COMMIT; END; DECLARE v_salary NUMBER; v_emp_name VARCHAR2(20); BEGIN SELECT salary, first_name || ' ' || last_name INTO v_salary, v_emp_name FROM employees WHERE employee_id = 1; IF v_salary IS NULL THEN RAISE_APPLICATION_ERROR(-20000, 'Employee not found'); END IF; DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_emp_name); DBMS_OUTPUT.PUT_LINE('Salary: ' || TO_CHAR(v_salary)); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No data found for the specified employee ID'); END; SELECT * FROM dual;
sql IF OBJECT_ID('sp_update_customer', 'P') IS NOT NULL DROP PROCEDURE sp_update_customer; GO CREATE PROCEDURE sp_update_customer( @in_customer_id IN AS NUMBER, in_name IN VARCHAR2, in_address IN VARCHAR2, in_email IN VARCHAR2 ) BEGIN *** er record UPDATE customers SET name = in_name, address = in_address, email = in_email WHERE customer_id = in_customer_id; -- Co... SQLINES DEMO *** COMMIT; END; BEGIN *** rocedure dbo.sp_update_customer(10, 'John Doe', '123 Main Street', 'john.doe@example.com'); -- Ha... SQLINES DEMO *** EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
sql CREATE OR REPLACE PROCEDURE sp_update_customer( in_customer_id IN NUMBER, in_name IN VARCHAR2, in_address IN VARCHAR2, in_email IN VARCHAR2 ) BEGIN -- Update the customer record UPDATE customers SET name = in_name, address = in_address, email = in_email WHERE customer_id = in_customer_id; -- Commit the changes COMMIT; END; BEGIN -- Call the stored procedure sp_update_customer(10, 'John Doe', '123 Main Street', 'john.doe@example.com'); -- Handle an error EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
CREATE PROCEDURE emp_bonus(@emp_id IN AS NUMBER, bonus IN OUT NUMBER) AS BEGIN SELECT @bonus = bonus FROM emp WHERE emp_id = emp_id; IF bonus IS NOT NULL BEGIN UPDATE emp SET bonus = bonus * 1.10 WHERE emp_id = emp_id; END ELSE BEGIN RAISERROR('-20000 Employee not found', 16, 1); END END; BEGIN DECLARE @bonus FLOAT; dbo.emp_bonus(100, @bonus); DBMS_OUTPUT.PUT_LINE('Bonus: ' + isnull(@bonus, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found'); END END;
CREATE PROCEDURE emp_bonus(emp_id IN NUMBER, bonus IN OUT NUMBER) AS BEGIN SELECT bonus INTO bonus FROM emp WHERE emp_id = emp_id; IF bonus IS NOT NULL THEN UPDATE emp SET bonus = bonus * 1.10 WHERE emp_id = emp_id; ELSE RAISE_APPLICATION_ERROR(-20000, 'Employee not found'); END IF; END; BEGIN DECLARE bonus NUMBER; emp_bonus(100, bonus); DBMS_OUTPUT.PUT_LINE('Bonus: ' || bonus); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee not found'); END;
IF OBJECT_ID('get_customer_orders', 'P') IS NOT NULL DROP PROCEDURE get_customer_orders; GO CREATE PROCEDURE get_customer_orders ( @cust_id IN AS NUMBER ) AS BEGIN DECLARE rec CURSOR FOR SELECT order_id, order_date, total_amount FROM orders WHERE customer_id = cust_id; OPEN rec; FETCH rec INTO; WHILE @@FETCH_STATUS=0 BEGIN DBMS_OUTPUT.PUT_LINE(isnull(@rec_order_id, '') + ' | ' + isnull(@rec_order_date, '') + ' | ' + isnull(@rec_total_amount, '')); FETCH rec INTO; END; CLOSE rec; DEALLOCATE rec; END; /
CREATE OR REPLACE PROCEDURE get_customer_orders ( cust_id IN NUMBER ) AS BEGIN FOR rec IN ( SELECT order_id, order_date, total_amount FROM orders WHERE customer_id = cust_id ) LOOP DBMS_OUTPUT.PUT_LINE(rec.order_id || ' | ' || rec.order_date || ' | ' || rec.total_amount); END LOOP; END; /
DECLARE @v_emp_name VARCHAR(100); v_emp_salary NUMBER; BEGIN SELECT @v_emp_name = ename, @v_emp_salary = sal FROM emp WHERE empno = 7369; IF v_emp_salary > 20000 BEGIN DBMS_OUTPUT.PUT_LINE(isnull(@v_emp_name, '') + ' has a high salary of ' + isnull(v_emp_salary, '')); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE(isnull(@v_emp_name, '') + ' has a low salary of ' + isnull(v_emp_salary, '')); END IF @@fetch_status <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee found with that employee number.'); END END; /
DECLARE v_emp_name VARCHAR2(100); v_emp_salary NUMBER; BEGIN SELECT ename, sal INTO v_emp_name, v_emp_salary FROM emp WHERE empno = 7369; IF v_emp_salary > 20000 THEN DBMS_OUTPUT.PUT_LINE(v_emp_name || ' has a high salary of ' || v_emp_salary); ELSE DBMS_OUTPUT.PUT_LINE(v_emp_name || ' has a low salary of ' || v_emp_salary); END IF; EXCEPTION WHEN no_data_found THEN DBMS_OUTPUT.PUT_LINE('No employee found with that employee number.'); END; /
BEGIN DECLARE @num_rows FLOAT; DECLARE @total_sales FLOAT; BEGIN *** rows in the table SELECT @num_rows = COUNT(*) FROM sales; *** return 0 IF @num_rows = 0 BEGIN RETURN 0; END -- Ge... SQLINES DEMO *** SELECT @total_sales = SUM(sales) FROM sales; *** sales RETURN @total_sales; END; END;
BEGIN DECLARE num_rows NUMBER; DECLARE total_sales NUMBER; BEGIN -- Get the number of rows in the table SELECT COUNT(*) INTO num_rows FROM sales; -- If no rows exist, return 0 IF num_rows = 0 THEN RETURN 0; END IF; -- Get the total sales SELECT SUM(sales) INTO total_sales FROM sales; -- Return the total sales RETURN total_sales; END; END;
CREATE PROCEDURE GetEmployeeInfo ( @EmpID IN AS NUMBER, OUT FirstName VARCHAR(20), OUT LastName VARCHAR(20), OUT Salary OUT NUMBER ) AS BEGIN SELECT @FirstName = FirstName, @LastName = LastName, @Salary = Salary FROM Employees WHERE EmployeeId = EmpID; IF SQL%NOTFOUND BEGIN RAISERROR('-20001 Employee not found', 16, 1); END END; DECLARE @EmpID FLOAT := 100; FirstName VARCHAR(20); LastName VARCHAR(20); Salary NUMBER; BEGIN dbo.GetEmployeeInfo(@EmpID, FirstName, LastName, Salary); DBMS_OUTPUT.PUT_LINE('Employee Information:'); DBMS_OUTPUT.PUT_LINE('FirstName: ' + ISNULL(FirstName, '')); DBMS_OUTPUT.PUT_LINE('LastName: ' + ISNULL(LastName, '')); DBMS_OUTPUT.PUT_LINE('Salary: ' + Isnull(Salary, '')); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' + ISNULL(SQLERRM, '')); END;
CREATE PROCEDURE GetEmployeeInfo ( EmpID IN NUMBER, OUT FirstName VARCHAR(20), OUT LastName VARCHAR(20), OUT Salary OUT NUMBER ) AS BEGIN SELECT FirstName, LastName, Salary INTO FirstName, LastName, Salary FROM Employees WHERE EmployeeId = EmpID; IF SQL%NOTFOUND THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END IF; END; DECLARE EmpID NUMBER := 100; FirstName VARCHAR(20); LastName VARCHAR(20); Salary NUMBER; BEGIN GetEmployeeInfo(EmpID, FirstName, LastName, Salary); DBMS_OUTPUT.PUT_LINE('Employee Information:'); DBMS_OUTPUT.PUT_LINE('FirstName: ' || FirstName); DBMS_OUTPUT.PUT_LINE('LastName: ' || LastName); DBMS_OUTPUT.PUT_LINE('Salary: ' || Salary); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' || SQLERRM); END;
DECLARE @v_count FLOAT; BEGIN SELECT @v_count = COUNT(*) FROM employees; IF @v_count > 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employees table has ' + isnull(@v_count, '') + ' rows.'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Employees table is empty.'); END IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No data found in employees table.'); END END;
DECLARE v_count NUMBER; BEGIN SELECT COUNT(*) INTO v_count FROM employees; IF v_count > 0 THEN DBMS_OUTPUT.PUT_LINE('Employees table has ' || v_count || ' rows.'); ELSE DBMS_OUTPUT.PUT_LINE('Employees table is empty.'); END IF; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No data found in employees table.'); END;
declare @type cursor_type is ref cursor; c cursor_type; cursor employees is select * from employees; begin select * from employees; while 1=1 begin fetch c into @emp_id, @emp_name; if @@fetch_status <> 0 break; dbms_output.put_line(isnull(emp_id, '') + ' ' + isnull(emp_name, '')); end; close c; end; /
declare type cursor_type is ref cursor; c cursor_type; cursor employees is select * from employees; begin open c for select * from employees; loop fetch c into emp_id, emp_name; exit when c%notfound; dbms_output.put_line(emp_id || ' ' || emp_name); end loop; close c; end; /
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; IF OBJECT_ID('update_employee_salary', 'P') IS NOT NULL DROP PROCEDURE update_employee_salary; GO CREATE PROCEDURE update_employee_salary(@employee_id IN AS NUMBER, new_salary IN NUMBER) IS BEGIN UPDATE employees SET salary = new_salary WHERE employee_id = employee_id; IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20001 Employee not found', 16, 1); END END; BEGIN DECLARE @employee_id FLOAT := 100; old_salary NUMBER; new_salary NUMBER; BEGIN SELECT @old_salary = salary FROM employees WHERE @employee_id = @employee_id; SET @new_salary = old_salary * 1.1; dbo.update_employee_salary(@employee_id, new_salary); COMMIT; IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found'); END END; END;
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; CREATE OR REPLACE PROCEDURE update_employee_salary(employee_id IN NUMBER, new_salary IN NUMBER) IS BEGIN UPDATE employees SET salary = new_salary WHERE employee_id = employee_id; EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END; BEGIN DECLARE employee_id NUMBER := 100; old_salary NUMBER; new_salary NUMBER; BEGIN SELECT salary INTO old_salary FROM employees WHERE employee_id = employee_id; new_salary := old_salary * 1.1; update_employee_salary(employee_id, new_salary); COMMIT; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee not found'); END; END;
DECLARE @emp_no FLOAT; BEGIN SET @emp_no = 101; SELECT @name = name FROM employees WHERE emp_id = @emp_no; IF name IS NULL BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Employee name: ' + isnull(name, '')); END END;
DECLARE emp_no NUMBER; BEGIN emp_no := 101; SELECT name INTO name FROM employees WHERE emp_id = emp_no; IF name IS NULL THEN DBMS_OUTPUT.PUT_LINE('Employee not found'); ELSE DBMS_OUTPUT.PUT_LINE('Employee name: ' || name); END IF; END;
IF OBJECT_ID('update_employee_salary', 'P') IS NOT NULL DROP PROCEDURE update_employee_salary; GO CREATE PROCEDURE update_employee_salary( @p_employee_id IN AS NUMBER, p_new_salary IN NUMBER ) AS BEGIN UPDATE employees SET salary = p_new_salary WHERE employee_id = p_employee_id; COMMIT; END; DECLARE @employee_id FLOAT; new_salary NUMBER; BEGIN SELECT @employee_id = @employee_id, @new_salary = salary FROM employees WHERE last_name = 'Doe'; IF new_salary > 50000 BEGIN RAISERROR('-20001 Salary too high', 16, 1); END CALL update_employee_salary(@employee_id, new_salary); END;
CREATE OR REPLACE PROCEDURE update_employee_salary( p_employee_id IN NUMBER, p_new_salary IN NUMBER ) AS BEGIN UPDATE employees SET salary = p_new_salary WHERE employee_id = p_employee_id; COMMIT; END; DECLARE employee_id NUMBER; new_salary NUMBER; BEGIN SELECT employee_id, salary INTO employee_id, new_salary FROM employees WHERE last_name = 'Doe'; IF new_salary > 50000 THEN RAISE_APPLICATION_ERROR(-20001, 'Salary too high'); END IF; CALL update_employee_salary(employee_id, new_salary); END;
CREATE PROCEDURE sp_insert_employee ( @emp_id IN AS NUMBER, first_name IN VARCHAR2, last_name IN VARCHAR2, email IN VARCHAR2, phone_number IN VARCHAR2, salary IN NUMBER, job_id IN VARCHAR2, manager_id IN NUMBER ) AS BEGIN INSERT INTO employees ( employee_id, first_name, last_name, email, phone_number, salary, job_id, manager_id ) VALUES ( emp_id, first_name, last_name, email, phone_number, salary, job_id, manager_id ); EXCEPTION WHEN dup_val THEN raiserror('-20100 Duplicate value found.', 16, 1); END; DECLARE @emp_count FLOAT; BEGIN SELECT @emp_count = COUNT(*) FROM employees; IF @emp_count > 100 BEGIN raiserror('-20200 Too many employees.', 16, 1); END END; BEGIN DECLARE rec CURSOR FOR SELECT * FROM employees WHERE department_id = 20; OPEN rec; FETCH rec INTO; WHILE @@FETCH_STATUS=0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(@rec_employee_id, '')); DBMS_OUTPUT.PUT_LINE('First Name: ' + isnull(@rec_first_name, '')); DBMS_OUTPUT.PUT_LINE('Last Name: ' + isnull(@rec_last_name, '')); FETCH rec INTO; END; CLOSE rec; DEALLOCATE rec; END;
CREATE PROCEDURE sp_insert_employee ( emp_id IN NUMBER, first_name IN VARCHAR2, last_name IN VARCHAR2, email IN VARCHAR2, phone_number IN VARCHAR2, salary IN NUMBER, job_id IN VARCHAR2, manager_id IN NUMBER ) AS BEGIN INSERT INTO employees ( employee_id, first_name, last_name, email, phone_number, salary, job_id, manager_id ) VALUES ( emp_id, first_name, last_name, email, phone_number, salary, job_id, manager_id ); EXCEPTION WHEN dup_val THEN raise_application_error(-20100, 'Duplicate value found.'); END; DECLARE emp_count NUMBER; BEGIN SELECT COUNT(*) INTO emp_count FROM employees; IF emp_count > 100 THEN raise_application_error(-20200, 'Too many employees.'); END IF; END; BEGIN FOR rec IN ( SELECT * FROM employees WHERE department_id = 20 ) LOOP DBMS_OUTPUT.PUT_LINE('Employee ID: ' || rec.employee_id); DBMS_OUTPUT.PUT_LINE('First Name: ' || rec.first_name); DBMS_OUTPUT.PUT_LINE('Last Name: ' || rec.last_name); END LOOP; END;
DECLARE @v_customer_id FLOAT; v_customer_name dbo.VARCHAR2(50); v_error_code NUMBER; v_error_message dbo.VARCHAR2(200); BEGIN BEGIN SELECT @v_customer_id = customer_id, @v_customer_name = customer_name FROM customers WHERE customer_id = 1; IF @@FETCH_STATUS <> 0 BEGIN SET @v_error_code = 100; SET @v_error_message = 'Customer not found'; END END; IF v_error_code IS NULL BEGIN DBMS_OUTPUT.PUT_LINE(isnull(@v_customer_id, '') + ' ' + isnull(v_customer_name, '')); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE(isnull(v_error_code, '') + ' ' + isnull(v_error_message, '')); END END;
DECLARE v_customer_id NUMBER; v_customer_name VARCHAR2(50); v_error_code NUMBER; v_error_message VARCHAR2(200); BEGIN BEGIN SELECT customer_id, customer_name INTO v_customer_id, v_customer_name FROM customers WHERE customer_id = 1; EXCEPTION WHEN NO_DATA_FOUND THEN v_error_code := 100; v_error_message := 'Customer not found'; END; IF v_error_code IS NULL THEN DBMS_OUTPUT.PUT_LINE(v_customer_id || ' ' || v_customer_name); ELSE DBMS_OUTPUT.PUT_LINE(v_error_code || ' ' || v_error_message); END IF; END;
DECLARE @v_emp_id FLOAT; v_emp_name dbo.VARCHAR2(50); v_salary NUMBER; BEGIN SELECT @v_emp_id = emp_id, @v_emp_name = emp_name, @v_salary = salary FROM employees WHERE emp_id = 1; IF v_salary > 50000 BEGIN DBMS_OUTPUT.PUT_LINE('Employee ' + isnull(v_emp_name, '') + ' has a high salary: ' + isnull(v_salary, '')); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Employee ' + isnull(v_emp_name, '') + ' has a low salary: ' + isnull(v_salary, '')); END EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END;
DECLARE v_emp_id NUMBER; v_emp_name VARCHAR2(50); v_salary NUMBER; BEGIN SELECT emp_id, emp_name, salary INTO v_emp_id, v_emp_name, v_salary FROM employees WHERE emp_id = 1; IF v_salary > 50000 THEN DBMS_OUTPUT.PUT_LINE('Employee ' || v_emp_name || ' has a high salary: ' || v_salary); ELSE DBMS_OUTPUT.PUT_LINE('Employee ' || v_emp_name || ' has a low salary: ' || v_salary); END IF; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END;
CREATE PROCEDURE my_proc (@p_num IN AS NUMBER) IS v_num NUMBER; BEGIN SELECT @v_num = num FROM my_table WHERE id = p_num; IF v_num IS NULL BEGIN RAISERROR('-20001 Record not found.', 16, 1); END DBMS_OUTPUT.PUT_LINE('Record found: ' + isnull(v_num, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No data found.'); END END my_proc;
CREATE PROCEDURE my_proc (p_num IN NUMBER) IS v_num NUMBER; BEGIN SELECT num INTO v_num FROM my_table WHERE id = p_num; IF v_num IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Record not found.'); END IF; DBMS_OUTPUT.PUT_LINE('Record found: ' || v_num); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No data found.'); END my_proc;
DECLARE @v_empno SMALLINT; v_salary ROW_NUMBER(8); BEGIN SELECT @v_empno = empno, @v_salary = salary FROM emp WHERE empno = 7839; IF v_salary > 10000 BEGIN UPDATE emp SET salary = v_salary + 500 WHERE empno = @v_empno; COMMIT; DBMS_OUTPUT.PUT_LINE('Salary updated for ' + isnull(@v_empno, '')); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('No update required for ' + isnull(@v_empno, '')); END EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' + ISNULL(SQLERRM, '')); END;
DECLARE v_empno NUMBER(4); v_salary NUMBER(8); BEGIN SELECT empno, salary INTO v_empno, v_salary FROM emp WHERE empno = 7839; IF v_salary > 10000 THEN UPDATE emp SET salary = v_salary + 500 WHERE empno = v_empno; COMMIT; DBMS_OUTPUT.PUT_LINE('Salary updated for ' || v_empno); ELSE DBMS_OUTPUT.PUT_LINE('No update required for ' || v_empno); END IF; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' || SQLERRM); END;
object_id, is not drop procedure example_proc; go create procedure example_proc as number, p_name varchar2 is l_var number; begin example_table id p_id; l_var 0 begin raiserror, 16, 1; end else begin example_table set name p_name id p_id; end end;
create or replace procedure example_proc (p_id in number, p_name in varchar2) is l_var number; begin select count(*) into l_var from example_table where id = p_id; if l_var = 0 then raise_application_error(-20001, 'Record not found.'); else update example_table set name = p_name where id = p_id; end if; end;
BEGIN *** and cursors DECLARE @v_employee_id FLOAT; v_employee_name dbo.VARCHAR2(100); c_employees CURSOR FOR SELECT employee_id, employee_name FROM employees; BEGIN -- Op... SQLINES DEMO *** OPEN c_employees; WHILE 1=1 BEGIN *** w from the cursor FETCH c_employees INTO @v_employee_id, @v_employee_name; *** there are no more rows IF @@FETCH_STATUS <> 0 BREAK; -- Pr... SQLINES DEMO *** DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(@v_employee_id, '') + ', Employee Name: ' + isnull(v_employee_name, '')); END; -- Cl... SQLINES DEMO *** CLOSE c_employees; *** that may occur IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employees found.'); END END; END;
BEGIN -- Declare variables and cursors DECLARE v_employee_id NUMBER; v_employee_name VARCHAR2(100); c_employees CURSOR FOR SELECT employee_id, employee_name FROM employees; BEGIN -- Open the cursor OPEN c_employees; LOOP -- Fetch the next row from the cursor FETCH c_employees INTO v_employee_id, v_employee_name; -- Exit the loop if there are no more rows EXIT WHEN c_employees%NOTFOUND; -- Process the row DBMS_OUTPUT.PUT_LINE('Employee ID: ' || v_employee_id || ', Employee Name: ' || v_employee_name); END LOOP; -- Close the cursor CLOSE c_employees; EXCEPTION -- Handle any errors that may occur WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employees found.'); END; END;
DECLARE @v_empno FLOAT; v_ename dbo.VARCHAR2(20); BEGIN SELECT @v_empno = empno, @v_ename = ename FROM emp WHERE empno = 7839; IF @v_empno IS NOT NULL BEGIN UPDATE emp SET ename = 'KING' WHERE empno = 7839; COMMIT; END ELSE BEGIN RAISERROR('-20001 Employee not found', 16, 1); END END;
DECLARE v_empno NUMBER; v_ename VARCHAR2(20); BEGIN SELECT empno, ename INTO v_empno, v_ename FROM emp WHERE empno = 7839; IF v_empno IS NOT NULL THEN UPDATE emp SET ename = 'KING' WHERE empno = 7839; COMMIT; ELSE RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END IF; END;
DECLARE @v_emp_id FLOAT; BEGIN SELECT @v_emp_id = emp_id FROM emp WHERE name = 'John'; IF @v_emp_id IS NULL BEGIN ROLLBACK; RAISERROR('-20001 Employee not found', 16, 1); END UPDATE emp SET salary = salary * 1.1 WHERE emp_id = @v_emp_id; COMMIT; END; /
DECLARE v_emp_id NUMBER; BEGIN SELECT emp_id INTO v_emp_id FROM emp WHERE name = 'John'; IF v_emp_id IS NULL THEN ROLLBACK; RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END IF; UPDATE emp SET salary = salary * 1.1 WHERE emp_id = v_emp_id; COMMIT; END; /
CREATE TABLE orders (id FLOAT PRIMARY KEY, customer_id FLOAT, product_id FLOAT); CREATE TABLE customers (id FLOAT PRIMARY KEY, name VARCHAR(100)); CREATE TABLE products (id FLOAT PRIMARY KEY, name VARCHAR(100)); CREATE PROCEDURE add_order(@customer_id FLOAT, @product_id FLOAT) AS BEGIN SET NOCOUNT ON; INSERT INTO orders (customer_id, product_id) VALUES (@customer_id, @product_id); END; CREATE FUNCTION get_customer_name(@customer_id FLOAT) RETURNS VARCHAR(100) AS BEGIN DECLARE @name VARCHAR(100); SELECT @name = @name FROM customers WHERE id = @customer_id; RETURN @name; END; DECLARE @customer_id FLOAT; customer_name VARCHAR(100); product_id NUMBER; BEGIN SELECT @customer_id = id FROM customers WHERE name = 'John Doe'; SELECT @customer_name = name FROM get_customer_name(@customer_id); SELECT @product_id = id FROM products WHERE name = 'Product A'; dbo.add_order(@customer_id, product_id); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END;
CREATE TABLE orders (id NUMBER PRIMARY KEY, customer_id NUMBER, product_id NUMBER); CREATE TABLE customers (id NUMBER PRIMARY KEY, name VARCHAR(100)); CREATE TABLE products (id NUMBER PRIMARY KEY, name VARCHAR(100)); CREATE PROCEDURE add_order(customer_id NUMBER, product_id NUMBER) AS BEGIN INSERT INTO orders (customer_id, product_id) VALUES (customer_id, product_id); END; CREATE FUNCTION get_customer_name(customer_id NUMBER) RETURN VARCHAR(100) AS name VARCHAR(100); BEGIN SELECT name INTO name FROM customers WHERE id = customer_id; RETURN name; END; DECLARE customer_id NUMBER; customer_name VARCHAR(100); product_id NUMBER; BEGIN SELECT id INTO customer_id FROM customers WHERE name = 'John Doe'; SELECT name INTO customer_name FROM get_customer_name(customer_id); SELECT id INTO product_id FROM products WHERE name = 'Product A'; add_order(customer_id, product_id); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END;
IF OBJECT_ID('example_proc', 'P') IS NOT NULL DROP PROCEDURE example_proc; GO CREATE PROCEDURE example_proc ( @p_name IN AS VARCHAR2, p_age IN NUMBER ) IS v_msg dbo.VARCHAR2(200); v_status NUMBER; BEGIN SELECT @v_msg = 'Name: ' + isnull(p_name, '') + ', Age: ' + isnull(p_age, ''); DBMS_OUTPUT.PUT_LINE(v_msg); IF p_age < 18 BEGIN set @v_status = -1; RAISERROR('-20001 Age must be at least 18', 16, 1); END IF @@FETCH_STATUS <> 0 BEGIN set @v_status = -1; RAISERROR('-20002 No data found', 16, 1); END WHEN OTHERS THEN set @v_status = -1; RAISERROR('-20003 Unexpected error', 16, 1); END; END example_proc;
CREATE OR REPLACE PROCEDURE example_proc ( p_name IN VARCHAR2, p_age IN NUMBER ) IS v_msg VARCHAR2(200); v_status NUMBER; BEGIN SELECT 'Name: ' || p_name || ', Age: ' || p_age INTO v_msg FROM DUAL; DBMS_OUTPUT.PUT_LINE(v_msg); IF p_age < 18 THEN v_status := -1; RAISE_APPLICATION_ERROR(-20001, 'Age must be at least 18'); END IF; EXCEPTION WHEN NO_DATA_FOUND THEN v_status := -1; RAISE_APPLICATION_ERROR(-20002, 'No data found'); WHEN OTHERS THEN v_status := -1; RAISE_APPLICATION_ERROR(-20003, 'Unexpected error'); END; END example_proc;
CREATE PROCEDURE update_employee( @employee_id IN AS NUMBER, salary IN NUMBER, department_id IN NUMBER ) AS BEGIN UPDATE employees SET salary = salary, department_id = department_id WHERE employee_id = employee_id; IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20001 Employee not found', 16, 1); END END; / CREATE FUNCTION get_max_salary() RETURNS FLOAT AS BEGIN DECLARE @max_salary FLOAT; SELECT @max_salary = MAX(salary) FROM employees; RETURN @max_salary; IF @@FETCH_STATUS <> 0 BEGIN RETURN NULL; END END; GO BEGIN DECLARE @salary FLOAT; BEGIN EXECUTE sp_executesql @'SELECT salary FROM employees WHERE employee_id = 10', N'@salary output', @salary output; DBMS_OUTPUT.PUT_LINE('Salary of employee 10 is ' + isnull(@salary, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee 10 not found'); END END; EXECUTE sp_executesql @'UPDATE employees SET salary = salary * 1.10 WHERE department_id = 20'; EXCEPTION WHEN OTHERS THEN RAISERROR('-20002 Error updating employee salaries', 16, 1); END; /
CREATE PROCEDURE update_employee( employee_id IN NUMBER, salary IN NUMBER, department_id IN NUMBER ) AS BEGIN UPDATE employees SET salary = salary, department_id = department_id WHERE employee_id = employee_id; EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END; / FUNCTION get_max_salary RETURN NUMBER IS max_salary NUMBER; BEGIN SELECT MAX(salary) INTO max_salary FROM employees; RETURN max_salary; EXCEPTION WHEN NO_DATA_FOUND THEN RETURN NULL; END; / BEGIN DECLARE salary NUMBER; BEGIN EXECUTE IMMEDIATE 'SELECT salary FROM employees WHERE employee_id = 10' INTO salary; DBMS_OUTPUT.PUT_LINE('Salary of employee 10 is ' || salary); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee 10 not found'); END; EXECUTE IMMEDIATE 'UPDATE employees SET salary = salary * 1.10 WHERE department_id = 20'; EXCEPTION WHEN OTHERS THEN RAISE_APPLICATION_ERROR(-20002, 'Error updating employee salaries'); END; /