sqlserver
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plsql
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IF OBJECT_ID('GetCustomerOrders', 'FN') IS NOT NULL DROP FUNCTION GetCustomerOrders; GO CREATE FUNCTION GetCustomerOrders(@customer_id FLOAT) RETURNS CURSOR AS BEGIN DECLARE @orders CURSOR; SELECT order_id, order_date, total_price FROM orders WHERE @customer_id = @customer_id; RETURN @orders; END; DECLARE order_cursor CURSOR; order_id NUMBER; order_date DATE; total_price NUMBER; BEGIN SET @order_cursor = dbo.GetCustomerOrders(10); WHILE 1=1 BEGIN FETCH order_cursor INTO @order_id, @order_date, @total_price; IF @@FETCH_STATUS <> 0 BREAK; DBMS_OUTPUT.PUT_LINE('Order ID: ' + isnull(order_id, '')); DBMS_OUTPUT.PUT_LINE('Order Date: ' + isnull(order_date, '')); DBMS_OUTPUT.PUT_LINE('Total Price: ' + isnull(total_price, '')); END; CLOSE order_cursor; END;
CREATE OR REPLACE FUNCTION GetCustomerOrders(customer_id NUMBER) RETURN CURSOR AS orders CURSOR; BEGIN OPEN orders FOR SELECT order_id, order_date, total_price FROM orders WHERE customer_id = customer_id; RETURN orders; END; DECLARE order_cursor CURSOR; order_id NUMBER; order_date DATE; total_price NUMBER; BEGIN order_cursor := GetCustomerOrders(10); LOOP FETCH order_cursor INTO order_id, order_date, total_price; EXIT WHEN order_cursor%NOTFOUND; DBMS_OUTPUT.PUT_LINE('Order ID: ' || order_id); DBMS_OUTPUT.PUT_LINE('Order Date: ' || order_date); DBMS_OUTPUT.PUT_LINE('Total Price: ' || total_price); END LOOP; CLOSE order_cursor; END;
BEGIN DECLARE @i FLOAT; DECLARE @j FLOAT; DECLARE @c_id FLOAT; CURSOR c1 IS SELECT customer_id, SUM(amount) FROM orders GROUP BY customer_id HAVING SUM(amount) > 1000; OPEN c1; FETCH c1 INTO @i, @j; CLOSE c1; IF @i IS NOT NULL BEGIN UPDATE customers SET credit_limit = credit_limit + 100 WHERE customer_id = @i; SET @c_id = @i; END; COMMIT; SELECT @c_id, SUM(amount) FROM orders WHERE customer_id = @c_id GROUP BY @c_id; END;
BEGIN DECLARE i NUMBER; DECLARE j NUMBER; DECLARE c_id NUMBER; CURSOR c1 IS SELECT customer_id, SUM(amount) FROM orders GROUP BY customer_id HAVING SUM(amount) > 1000; OPEN c1; FETCH c1 INTO i, j; CLOSE c1; IF i IS NOT NULL THEN BEGIN UPDATE customers SET credit_limit = credit_limit + 100 WHERE customer_id = i; c_id := i; END; END IF; COMMIT; SELECT c_id, SUM(amount) FROM orders WHERE customer_id = c_id GROUP BY c_id; END;
DECLARE @num1 DECIMAL(5, 2) := 10.50; num2 ROW_NUMBER(5, 2) := 20.25; result ROW_NUMBER(10, 4); BEGIN SET @result = (@num1 + num2) / 2; DBMS_OUTPUT.PUT_LINE('Average of ' + isnull(@num1, '') + ' and ' + isnull(num2, '') + ' is ' + isnull(result, '')); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END; /
DECLARE num1 NUMBER(5, 2) := 10.50; num2 NUMBER(5, 2) := 20.25; result NUMBER(10, 4); BEGIN result := (num1 + num2) / 2; DBMS_OUTPUT.PUT_LINE('Average of ' || num1 || ' and ' || num2 || ' is ' || result); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END; /
DECLARE @salary DECIMAL(10, 2); empno ROW_NUMBER(4); BEGIN SELECT @salary = @salary FROM employees WHERE empno = 7788; IF @salary < 10000 BEGIN UPDATE employees SET salary = @salary * 1.1 WHERE empno = 7788; END ELSE BEGIN RAISERROR('-20000 Salary too high for raise', 16, 1); END END;
DECLARE salary NUMBER(10, 2); empno NUMBER(4); BEGIN SELECT salary INTO salary FROM employees WHERE empno = 7788; IF salary < 10000 THEN UPDATE employees SET salary = salary * 1.1 WHERE empno = 7788; ELSE RAISE_APPLICATION_ERROR(-20000, 'Salary too high for raise'); END IF; END;
CREATE PROCEDURE proc_example ( @in_param IN AS NUMBER ) IS out_param OUT NUMBER; BEGIN SELECT @out_param = COUNT(*) FROM table_example WHERE column1 = in_param; IF @@FETCH_STATUS <> 0 BEGIN set @out_param = null; END END; DECLARE @v_result FLOAT; BEGIN dbo.proc_example(2, @v_result); IF @v_result IS NULL BEGIN RAISERROR('-20001 No data found for input parameter', 16, 1); END END;
CREATE PROCEDURE proc_example ( in_param IN NUMBER ) IS out_param OUT NUMBER; BEGIN SELECT COUNT(*) INTO out_param FROM table_example WHERE column1 = in_param; EXCEPTION WHEN NO_DATA_FOUND THEN out_param := null; END; DECLARE v_result NUMBER; BEGIN proc_example(2, v_result); IF v_result IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'No data found for input parameter'); END IF; END;
DECLARE @x FLOAT := 10; y SET @NUMBER = 20; BEGIN IF @x > y BEGIN DBMS_OUTPUT.PUT_LINE('x is greater than y'); END ELSE IF @x < y BEGIN DBMS_OUTPUT.PUT_LINE('x is less than y'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('x is equal to y'); END EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred'); END;
DECLARE x NUMBER := 10; y NUMBER := 20; BEGIN IF x > y THEN DBMS_OUTPUT.PUT_LINE('x is greater than y'); ELSIF x < y THEN DBMS_OUTPUT.PUT_LINE('x is less than y'); ELSE DBMS_OUTPUT.PUT_LINE('x is equal to y'); END IF; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred'); END;
CREATE PROCEDURE emp_salary_raise(@emp_id FLOAT, @raise_percent FLOAT) AS BEGIN SET NOCOUNT ON; /* SQLINES DEMO *** alary with given percentage raise */ UPDATE employees SET salary = salary * (1 + @raise_percent / 100) WHERE employee_id = @emp_id; /* SQLINES DEMO *** the given employee ID does not exist */ IF @@ROWCOUNT = 0 BEGIN RAISERROR('-20001 Employee ID not found', 16, 1); END COMMIT; END; CREATE FUNCTION avg_salary(@dept_id FLOAT) RETURNS FLOAT AS BEGIN DECLARE @avg_sal FLOAT; /* SQLINES DEMO *** salary for a given department */ SELECT @avg_sal = AVG(salary) FROM employees WHERE department_id = @dept_id; /* SQLINES DEMO *** e salary or NULL if no employees in the department */ RETURN COALESCE(@avg_sal, NULL); END; SQL> BEGIN dbo.emp_salary_raise(20, 10); /* SQLINES DEMO *** handling by calling the function with an invalid department ID */ dbo.avg_salary(100); END; /
PROCEDURE emp_salary_raise(emp_id NUMBER, raise_percent NUMBER) IS BEGIN /* Update employee salary with given percentage raise */ UPDATE employees SET salary = salary * (1 + raise_percent / 100) WHERE employee_id = emp_id; /* Raise an error if the given employee ID does not exist */ IF SQL%ROWCOUNT = 0 THEN RAISE_APPLICATION_ERROR(-20001, 'Employee ID not found'); END IF; COMMIT; END; FUNCTION avg_salary(dept_id NUMBER) RETURN NUMBER IS avg_sal NUMBER; BEGIN /* Calculate average salary for a given department */ SELECT AVG(salary) INTO avg_sal FROM employees WHERE department_id = dept_id; /* Return the average salary or NULL if no employees in the department */ RETURN COALESCE(avg_sal, NULL); END; SQL> BEGIN emp_salary_raise(20, 10); /* Demonstrate error handling by calling the function with an invalid department ID */ avg_salary(100); END; /
BEGIN DECLARE @i INT = 1; WHILE @i <= 10 BEGIN INSERT INTO employees(id, name, salary) VALUES (i, 'Employee' + isnull(i, ''), i * 1000); END; DECLARE @v_name VARCHAR(20); v_salary NUMBER; BEGIN SELECT @v_name = name, @v_salary = salary FROM employees WHERE id = 1; DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(@v_name, '')); DBMS_OUTPUT.PUT_LINE('Employee Salary: ' + isnull(v_salary, '')); END; DECLARE @v_error_msg VARCHAR(200); BEGIN BEGIN INSERT INTO employees(id, name, salary) VALUES (11, 'Employee11', 11000); EXCEPTION WHEN DUP_VAL_ON_INDEX THEN SET @v_error_msg = SQLERRM; END; IF @v_error_msg IS NULL BEGIN DBMS_OUTPUT.PUT_LINE('Employee inserted successfully.'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Error occurred: ' + isnull(@v_error_msg, '')); END END; END;
BEGIN FOR i IN 1..10 LOOP INSERT INTO employees(id, name, salary) VALUES (i, 'Employee' || i, i * 1000); END LOOP; DECLARE v_name VARCHAR2(20); v_salary NUMBER; BEGIN SELECT name, salary INTO v_name, v_salary FROM employees WHERE id = 1; DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_name); DBMS_OUTPUT.PUT_LINE('Employee Salary: ' || v_salary); END; DECLARE v_error_msg VARCHAR2(200); BEGIN BEGIN INSERT INTO employees(id, name, salary) VALUES (11, 'Employee11', 11000); EXCEPTION WHEN DUP_VAL_ON_INDEX THEN v_error_msg := SQLERRM; END; IF v_error_msg IS NULL THEN DBMS_OUTPUT.PUT_LINE('Employee inserted successfully.'); ELSE DBMS_OUTPUT.PUT_LINE('Error occurred: ' || v_error_msg); END IF; END; END;
CREATE PROCEDURE update_employee_salary( @p_employee_id IN AS NUMBER, p_salary_increase IN NUMBER ) IS l_current_salary NUMBER; BEGIN SELECT @l_current_salary = salary FROM employees WHERE employee_id = p_employee_id; IF l_current_salary IS NULL BEGIN RAISERROR('-20001 Employee not found for the employee_id: ' + isnull(p_employee_id, ''), 16, 1); END UPDATE employees SET salary = l_current_salary + p_salary_increase WHERE employee_id = p_employee_id; END;
CREATE PROCEDURE update_employee_salary( p_employee_id IN NUMBER, p_salary_increase IN NUMBER ) IS l_current_salary NUMBER; BEGIN SELECT salary INTO l_current_salary FROM employees WHERE employee_id = p_employee_id; IF l_current_salary IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found for the employee_id: ' || p_employee_id); END IF; UPDATE employees SET salary = l_current_salary + p_salary_increase WHERE employee_id = p_employee_id; END;
IF OBJECT_ID('insert_emp', 'P') IS NOT NULL DROP PROCEDURE insert_emp; GO CREATE PROCEDURE insert_emp(@p_emp_id IN AS NUMBER, p_name IN VARCHAR2, p_job IN VARCHAR2) AS l_empid NUMBER; BEGIN SELECT @l_empid = emp_id FROM emp WHERE emp_id = p_emp_id; IF l_empid IS NULL BEGIN INSERT INTO emp (emp_id, ename, job) VALUES (p_emp_id, p_name, p_job); COMMIT; DBMS_OUTPUT.PUT_LINE('Employee inserted'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Employee already exists'); END EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error inserting employee: ' + ISNULL(SQLERRM, '')); END; /
CREATE OR REPLACE PROCEDURE insert_emp(p_emp_id IN NUMBER, p_name IN VARCHAR2, p_job IN VARCHAR2) AS l_empid NUMBER; BEGIN SELECT emp_id INTO l_empid FROM emp WHERE emp_id = p_emp_id; IF l_empid IS NULL THEN INSERT INTO emp (emp_id, ename, job) VALUES (p_emp_id, p_name, p_job); COMMIT; DBMS_OUTPUT.PUT_LINE('Employee inserted'); ELSE DBMS_OUTPUT.PUT_LINE('Employee already exists'); END IF; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error inserting employee: ' || SQLERRM); END; /
IF OBJECT_ID('PrintEmpSalaries', 'P') IS NOT NULL DROP PROCEDURE PrintEmpSalaries; GO CREATE PROCEDURE PrintEmpSalaries AS BEGIN SET NOCOUNT ON; DECLARE emp_row CURSOR FOR SELECT emp_id, first_name, last_name, salary FROM employees; OPEN emp_row; FETCH emp_row INTO; WHILE @@FETCH_STATUS=0 BEGIN dbms_output.put_line(isnull(@emp_row_emp_id, '') + ' ' + isnull(@emp_row_first_name, '') + ' ' + isnull(@emp_row_last_name, '') + ' ' + isnull(@emp_row_salary, '')); FETCH emp_row INTO; END; CLOSE emp_row; DEALLOCATE emp_row; END; GO BEGIN PrintEmpSalaries; END; /
CREATE OR REPLACE PROCEDURE PrintEmpSalaries AS BEGIN FOR emp_row IN ( SELECT emp_id, first_name, last_name, salary FROM employees ) LOOP dbms_output.put_line(emp_row.emp_id || ' ' || emp_row.first_name || ' ' || emp_row.last_name || ' ' || emp_row.salary); END LOOP; END; / BEGIN PrintEmpSalaries; END; /
IF OBJECT_ID('get_total_sales', 'FN') IS NOT NULL DROP FUNCTION get_total_sales; GO CREATE FUNCTION get_total_sales(@region_id IN NUMBERDECLARE ) RETURN BEGIN NUMBER RETURN NULL; END; AS total_sales NUMBER; BEGIN SELECT @total_sales = SUM(sales) FROM sales WHERE region_id = region_id; RETURN total_sales; IF @@FETCH_STATUS <> 0 BEGIN RETURN 0; END END;
CREATE OR REPLACE FUNCTION get_total_sales(region_id IN NUMBER) RETURN NUMBER AS total_sales NUMBER; BEGIN SELECT SUM(sales) INTO total_sales FROM sales WHERE region_id = region_id; RETURN total_sales; EXCEPTION WHEN NO_DATA_FOUND THEN RETURN 0; END;
BEGIN DECLARE @v_salary FLOAT := 1000; DECLARE @v_bonus FLOAT := 500; DECLARE @v_total_salary FLOAT; BEGIN SET @v_total_salary = @v_salary + @v_bonus; IF @v_total_salary > 1500 BEGIN DBMS_OUTPUT.PUT_LINE('Total salary is greater than 1500'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Total salary is less than or equal to 1500'); END END; END;
BEGIN DECLARE v_salary NUMBER := 1000; DECLARE v_bonus NUMBER := 500; DECLARE v_total_salary NUMBER; BEGIN v_total_salary := v_salary + v_bonus; IF v_total_salary > 1500 THEN DBMS_OUTPUT.PUT_LINE('Total salary is greater than 1500'); ELSE DBMS_OUTPUT.PUT_LINE('Total salary is less than or equal to 1500'); END IF; END; END;
CREATE PROCEDURE UpdateEmployeeSalary(@IN employeeId AS INTEGER, IN salary INTEGER) AS BEGIN DECLARE @oldSalary INTEGER; *** d salary SELECT @oldSalary = salary FROM employees WHERE employeeId = employeeId; *** salary is different IF @oldSalary <> salary BEGIN *** ee's salary UPDATE employees SET salary = salary WHERE employeeId = employeeId; *** a table INSERT INTO salary_history (employeeId, oldSalary, newSalary) VALUES (employeeId, @oldSalary, salary); END END;
CREATE PROCEDURE UpdateEmployeeSalary(IN employeeId INTEGER, IN salary INTEGER) AS BEGIN DECLARE oldSalary INTEGER; -- Get employee's old salary SELECT salary INTO oldSalary FROM employees WHERE employeeId = employeeId; -- Check if the new salary is different IF oldSalary <> salary THEN -- Update the employee's salary UPDATE employees SET salary = salary WHERE employeeId = employeeId; -- Log the change in a table INSERT INTO salary_history (employeeId, oldSalary, newSalary) VALUES (employeeId, oldSalary, salary); END IF; END;
IF OBJECT_ID('calc_bonus', 'FN') IS NOT NULL DROP FUNCTION calc_bonus; GO CREATE FUNCTION calc_bonus(@salary IN NUMBERDECLARE ) RETURN BEGIN NUMBER RETURN NULL; END; IS bonus NUMBER; BEGIN IF salary > 5000 BEGIN set @bonus = salary * 0.1; END ELSE BEGIN set @bonus = 0; END RETURN bonus; END; / DECLARE @emp_salary FLOAT; BEGIN SET @emp_salary = 6000; DBMS_OUTPUT.PUT_LINE('Bonus for salary ' + isnull(@emp_salary, '') + ' is ' + isnull(dbo.calc_bonus(@emp_salary), '')); SET @emp_salary = 4500; DBMS_OUTPUT.PUT_LINE('Bonus for salary ' + isnull(@emp_salary, '') + ' is ' + isnull(dbo.calc_bonus(@emp_salary), '')); END; /
CREATE OR REPLACE FUNCTION calc_bonus(salary IN NUMBER) RETURN NUMBER IS bonus NUMBER; BEGIN IF salary > 5000 THEN bonus := salary * 0.1; ELSE bonus := 0; END IF; RETURN bonus; END; / DECLARE emp_salary NUMBER; BEGIN emp_salary := 6000; DBMS_OUTPUT.PUT_LINE('Bonus for salary ' || emp_salary || ' is ' || calc_bonus(emp_salary)); emp_salary := 4500; DBMS_OUTPUT.PUT_LINE('Bonus for salary ' || emp_salary || ' is ' || calc_bonus(emp_salary)); END; /
BEGIN DECLARE rec CURSOR FOR SELECT * FROM emp; OPEN rec; FETCH rec INTO; WHILE @@FETCH_STATUS=0 BEGIN UPDATE emp SET sal = sal * 1.10 WHERE empno = @rec_empno; FETCH rec INTO; END; CLOSE rec; DEALLOCATE rec; COMMIT; END; /
BEGIN FOR rec IN (SELECT * FROM emp) LOOP UPDATE emp SET sal = sal * 1.10 WHERE empno = rec.empno; END LOOP; COMMIT; END; /
DECLARE @v_emp_id FLOAT; v_salary NUMBER; BEGIN SELECT @v_emp_id = emp_id, @v_salary = salary FROM employees WHERE emp_id = 10; IF v_salary > 100000 BEGIN raiserror('-20001 Salary too high!', 16, 1); END UPDATE employees SET salary = v_salary + 1000 WHERE emp_id = @v_emp_id; COMMIT; DBMS_OUTPUT.PUT_LINE('Salary updated successfully!'); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error updating salary: ' + ISNULL(SQLERRM, '')); END; /
DECLARE v_emp_id NUMBER; v_salary NUMBER; BEGIN SELECT emp_id, salary INTO v_emp_id, v_salary FROM employees WHERE emp_id = 10; IF v_salary > 100000 THEN raise_application_error(-20001, 'Salary too high!'); END IF; UPDATE employees SET salary = v_salary + 1000 WHERE emp_id = v_emp_id; COMMIT; DBMS_OUTPUT.PUT_LINE('Salary updated successfully!'); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error updating salary: ' || SQLERRM); 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; IF salary IS NULL BEGIN RAISERROR('-20001 Employee not found', 16, 1); END RETURN salary; 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 UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; IF @@ROWCOUNT = 0 BEGIN RAISERROR('-20002 Employee not found', 16, 1); END END; DECLARE @emp_id FLOAT := 100; salary NUMBER; BEGIN SET @salary = dbo.get_employee_salary(@emp_id); DBMS_OUTPUT.PUT_LINE('Current salary: ' + isnull(salary, '')); dbo.update_employee_salary(@emp_id, salary + 1000); SET @salary = dbo.get_employee_salary(@emp_id); DBMS_OUTPUT.PUT_LINE('New salary: ' + isnull(salary, '')); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error: ' + ISNULL(SQLERRM, '')); 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; IF salary IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END IF; RETURN salary; END; CREATE OR REPLACE PROCEDURE update_employee_salary(emp_id IN NUMBER, new_salary IN NUMBER) IS BEGIN UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; IF SQL%ROWCOUNT = 0 THEN RAISE_APPLICATION_ERROR(-20002, 'Employee not found'); END IF; END; DECLARE emp_id NUMBER := 100; salary NUMBER; BEGIN salary := get_employee_salary(emp_id); DBMS_OUTPUT.PUT_LINE('Current salary: ' || salary); update_employee_salary(emp_id, salary + 1000); salary := get_employee_salary(emp_id); DBMS_OUTPUT.PUT_LINE('New salary: ' || salary); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM); END;
IF OBJECT_ID('my_proc', 'P') IS NOT NULL DROP PROCEDURE my_proc; GO CREATE PROCEDURE my_proc( @in_param IN AS VARCHAR2, out_param OUT NUMBER) AS BEGIN SELECT @out_param = COUNT(*) FROM my_table WHERE my_column = in_param; IF out_param = 0 BEGIN RAISERROR('-20001 No rows found for ' + isnull(in_param, ''), 16, 1); END END; / BEGIN dbo.my_proc('my_value', :out_param); IF :out_param > 0 BEGIN *** the out parameter... END END;
CREATE OR REPLACE PROCEDURE my_proc( in_param IN VARCHAR2, out_param OUT NUMBER) AS BEGIN SELECT COUNT(*) INTO out_param FROM my_table WHERE my_column = in_param; IF out_param = 0 THEN RAISE_APPLICATION_ERROR(-20001, 'No rows found for ' || in_param); END IF; END; / BEGIN my_proc('my_value', :out_param); IF :out_param > 0 THEN -- Do something with the out parameter... END IF; END;
DECLARE @v_emp_id FLOAT; v_salary NUMBER; BEGIN SELECT @v_emp_id = emp_id, @v_salary = salary FROM emp WHERE emp_id = 10; IF v_salary > 10000 BEGIN RAISERROR('-20001 Salary is too high', 16, 1); END UPDATE emp SET salary = v_salary + 1000 WHERE emp_id = @v_emp_id; COMMIT; END;
DECLARE v_emp_id NUMBER; v_salary NUMBER; BEGIN SELECT emp_id, salary INTO v_emp_id, v_salary FROM emp WHERE emp_id = 10; IF v_salary > 10000 THEN RAISE_APPLICATION_ERROR(-20001, 'Salary is too high'); END IF; UPDATE emp SET salary = v_salary + 1000 WHERE emp_id = v_emp_id; COMMIT; END;
BEGIN DECLARE @v_emp_id FLOAT; v_salary NUMBER; BEGIN SELECT @v_emp_id = employee_id, @v_salary = salary FROM employees WHERE last_name = 'Scott'; DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(@v_emp_id, '')); DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(v_salary, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee found with the last name Scott.'); END END; END;
BEGIN DECLARE v_emp_id NUMBER; v_salary NUMBER; BEGIN SELECT employee_id, salary INTO v_emp_id, v_salary FROM employees WHERE last_name = 'Scott'; DBMS_OUTPUT.PUT_LINE('Employee ID: ' || v_emp_id); DBMS_OUTPUT.PUT_LINE('Salary: ' || v_salary); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employee found with the last name Scott.'); END; END;
CREATE TABLE t(id FLOAT, name VARCHAR(20)); INSERT INTO t VALUES(1,'John'); INSERT INTO t VALUES(2,'Mary'); COMMIT; DECLARE @cursor c IS SELECT * FROM t; BEGIN DECLARE rec CURSOR FOR c LOOP dbms_output.put_line(isnull(@rec_id, '') + ' ' + isnull(@rec_name, '')); FETCH rec INTO; END; CLOSE rec; DEALLOCATE rec; IF @@fetch_status <> 0 BEGIN dbms_output.put_line('No data found in table'); END END;
CREATE TABLE t(id NUMBER, name VARCHAR2(20)); INSERT INTO t VALUES(1,'John'); INSERT INTO t VALUES(2,'Mary'); COMMIT; DECLARE cursor c IS SELECT * FROM t; BEGIN FOR rec IN c LOOP dbms_output.put_line(rec.id || ' ' || rec.name); END LOOP; EXCEPTION WHEN no_data_found THEN dbms_output.put_line('No data found in table'); END;
CREATE PROCEDURE my_sp (@param1 IN AS NUMBER, param2 OUT NUMBER) IS BEGIN set @param2 = param1 * 2; IF param2 > 10 BEGIN RAISERROR('-20000 Result is too large', 16, 1); END END;
CREATE PROCEDURE my_sp (param1 IN NUMBER, param2 OUT NUMBER) IS BEGIN param2 := param1 * 2; IF param2 > 10 THEN RAISE_APPLICATION_ERROR(-20000, 'Result is too large'); END IF; 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; 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 UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20001 Employee not found', 16, 1); END END; DECLARE @emp_id FLOAT := 100; salary NUMBER; BEGIN SET @salary = dbo.get_employee_salary(@emp_id); IF salary IS NOT NULL BEGIN dbo.update_employee_salary(@emp_id, salary * 1.10); END EXCEPTION WHEN OTHERS THEN RAISE; 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; CREATE OR REPLACE PROCEDURE update_employee_salary(emp_id IN NUMBER, new_salary IN 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'); END; DECLARE emp_id NUMBER := 100; salary NUMBER; BEGIN salary := get_employee_salary(emp_id); IF salary IS NOT NULL THEN update_employee_salary(emp_id, salary * 1.10); END IF; EXCEPTION WHEN OTHERS THEN RAISE; END;
DECLARE @emp_id FLOAT := 1234; BEGIN DECLARE emp_row CURSOR FOR SELECT * FROM employees WHERE employee_id = @emp_id; OPEN emp_row; FETCH emp_row INTO; WHILE @@FETCH_STATUS=0 BEGIN IF @emp_row_salary > 5000 BEGIN UPDATE employees SET department_id = 20 WHERE employee_id = @emp_id; COMMIT; END ELSE BEGIN RAISERROR('-20001 Salary must be greater than 5000', 16, 1); END FETCH emp_row INTO; END; CLOSE emp_row; DEALLOCATE emp_row; IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20002 No employee found with employee_id ' + isnull(@emp_id, ''), 16, 1); END END;
DECLARE emp_id NUMBER := 1234; BEGIN FOR emp_row IN ( SELECT * FROM employees WHERE employee_id = emp_id ) LOOP IF emp_row.salary > 5000 THEN UPDATE employees SET department_id = 20 WHERE employee_id = emp_id; COMMIT; ELSE RAISE_APPLICATION_ERROR(-20001, 'Salary must be greater than 5000'); END IF; END LOOP; EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR(-20002, 'No employee found with employee_id ' || emp_id); END;
DECLARE @v_x BIGINT := 10; BEGIN BEGIN SET @v_x = @v_x + 10; IF @@FETCH_STATUS <> 0 BEGIN SET @v_x = 1; END END; IF @v_x > 10 BEGIN UPDATE table SET column_name = @v_x; COMMIT; END EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
DECLARE v_x NUMBER(10) := 10; BEGIN BEGIN v_x := v_x + 10; EXCEPTION WHEN NO_DATA_FOUND THEN v_x := 1; END; IF v_x > 10 THEN UPDATE table SET column_name = v_x; COMMIT; END IF; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
DECLARE @salary FLOAT := 10000; bonus SET @NUMBER = 0; BEGIN IF @salary > 15000 BEGIN SET @bonus = @salary * 0.15; END ELSE IF @salary > 10000 BEGIN SET @bonus = @salary * 0.10; END UPDATE employees SET bonus = bonus + :BONUS WHERE employee_id = 1; COMMIT; EXCEPTION WHEN OTHERS THEN RAISERROR('-20000 An error occurred during the salary calculation.', 16, 1); END;
DECLARE salary NUMBER := 10000; bonus NUMBER := 0; BEGIN IF salary > 15000 THEN bonus := salary * 0.15; ELSIF salary > 10000 THEN bonus := salary * 0.10; END IF; UPDATE employees SET bonus = bonus + :BONUS WHERE employee_id = 1; COMMIT; EXCEPTION WHEN OTHERS THEN RAISE_APPLICATION_ERROR(-20000, 'An error occurred during the salary calculation.'); END;
DECLARE @cursor c_emp IS SELECT empno, empname, deptno FROM emp; BEGIN DECLARE rec CURSOR FOR c_emp LOOP DBMS_OUTPUT.put_line(@rec_empname); FETCH rec INTO; END; CLOSE rec; DEALLOCATE rec; END; /
DECLARE cursor c_emp IS SELECT empno, empname, deptno FROM emp; BEGIN FOR rec IN c_emp LOOP DBMS_OUTPUT.put_line(rec.empname); END LOOP; END; /
IF OBJECT_ID('insert_employee', 'P') IS NOT NULL DROP PROCEDURE insert_employee; GO CREATE PROCEDURE insert_employee( @first_name IN AS VARCHAR2, last_name IN VARCHAR2, email IN VARCHAR2, salary IN NUMBER ) IS BEGIN INSERT INTO employees (first_name, last_name, email, salary) VALUES (first_name, last_name, email, salary); COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
CREATE OR REPLACE PROCEDURE insert_employee( first_name IN VARCHAR2, last_name IN VARCHAR2, email IN VARCHAR2, salary IN NUMBER ) IS BEGIN INSERT INTO employees (first_name, last_name, email, salary) VALUES (first_name, last_name, email, salary); COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
IF OBJECT_ID('get_customer_balance', 'FN') IS NOT NULL DROP FUNCTION get_customer_balance; GO CREATE FUNCTION get_customer_balance(@customer_id IN NUMBERDECLARE ) RETURN BEGIN NUMBER RETURN NULL; END; AS BEGIN DECLARE @balance FLOAT; BEGIN SELECT @balance = @balance FROM accounts WHERE customer_id = customer_id; RETURN @balance; IF @@FETCH_STATUS <> 0 BEGIN RETURN NULL; END END; END $$
DELIMITER $$ CREATE OR REPLACE FUNCTION get_customer_balance(customer_id IN NUMBER) RETURN NUMBER AS BEGIN DECLARE balance NUMBER; BEGIN SELECT balance INTO balance FROM accounts WHERE customer_id = customer_id; RETURN balance; EXCEPTION WHEN NO_DATA_FOUND THEN RETURN NULL; END; END $$ DELIMITER ;
IF OBJECT_ID('get_total_sales', 'FN') IS NOT NULL DROP FUNCTION get_total_sales; GO CREATE FUNCTION get_total_sales(@cust_id IN NUMBERDECLARE ) RETURN BEGIN NUMBER RETURN NULL; END; IS total_sales NUMBER; BEGIN SELECT @total_sales = SUM(sales) FROM sales WHERE customer_id = cust_id; RETURN total_sales; END;
CREATE OR REPLACE FUNCTION get_total_sales(cust_id IN NUMBER) RETURN NUMBER IS total_sales NUMBER; BEGIN SELECT SUM(sales) INTO total_sales FROM sales WHERE customer_id = cust_id; RETURN total_sales; END;
DECLARE @v_emp_id INT; v_salary ROW_NUMBER(10,2); BEGIN UPDATE employees SET salary = salary * 1.1 WHERE job_id = 'SA_REP'; SELECT @v_emp_id = emp_id, @v_salary = salary FROM employees WHERE emp_id = 100; IF @v_emp_id IS NULL BEGIN RAISERROR('-20001 Employee not found', 16, 1); END DBMS_OUTPUT.PUT_LINE('Employee ' + isnull(@v_emp_id, '') + ' has salary ' + isnull(v_salary, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No data found for employee ' + isnull(@v_emp_id, '')); END END;
DECLARE v_emp_id NUMBER(6); v_salary NUMBER(10,2); BEGIN UPDATE employees SET salary = salary * 1.1 WHERE job_id = 'SA_REP'; SELECT emp_id, salary INTO v_emp_id, v_salary FROM employees WHERE emp_id = 100; IF v_emp_id IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END IF; DBMS_OUTPUT.PUT_LINE('Employee ' || v_emp_id || ' has salary ' || v_salary); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No data found for employee ' || v_emp_id); END;
BEGIN DBMS_OUTPUT.PUT_LINE('Hello, world!'); END; CREATE PROCEDURE calc_order_total(@order_id IN AS NUMBER) AS total NUMBER; BEGIN SELECT @total = SUM(quantity * unit_price) FROM order_items WHERE order_id = order_id; UPDATE orders SET total = total WHERE order_id = order_id; END; CREATE FUNCTION get_customer_name(@customer_id IN NUMBERDECLARE ) RETURN BEGIN VARCHAR2 RETURN NULL; END; AS BEGIN SELECT @name = name FROM customers WHERE customer_id = customer_id; RETURN name; END; WHILE 1=1 BEGIN SELECT customer_id FROM customers INTO customer_id; DBMS_OUTPUT.PUT_LINE('Processing order for customer: ' + isnull(dbo.get_customer_name(customer_id), '')); EXIT WHEN customer_id IS NULL; END; BEGIN *** n exception SELECT * FROM non_existent_table; IF @@fetch_status <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No data found'); END END;
BEGIN DBMS_OUTPUT.PUT_LINE('Hello, world!'); END; CREATE PROCEDURE calc_order_total(order_id IN NUMBER) AS total NUMBER; BEGIN SELECT SUM(quantity * unit_price) INTO total FROM order_items WHERE order_id = order_id; UPDATE orders SET total = total WHERE order_id = order_id; END; FUNCTION get_customer_name(customer_id IN NUMBER) RETURN VARCHAR2 AS BEGIN SELECT name INTO name FROM customers WHERE customer_id = customer_id; RETURN name; END; LOOP SELECT customer_id FROM customers INTO customer_id; DBMS_OUTPUT.PUT_LINE('Processing order for customer: ' || get_customer_name(customer_id)); EXIT WHEN customer_id IS NULL; END LOOP; BEGIN -- This will raise an exception SELECT * FROM non_existent_table; EXCEPTION WHEN no_data_found THEN DBMS_OUTPUT.PUT_LINE('No data found'); END;
BEGIN -- De... SQLINES DEMO *** DECLARE @v_emp_id FLOAT; v_emp_name dbo.VARCHAR2(100); v_salary NUMBER; BEGIN *** tails SELECT @v_emp_id = emp_id, @v_emp_name = emp_name, @v_salary = salary FROM employees WHERE emp_id = 100; *** alary UPDATE employees SET salary = v_salary + 1000 WHERE emp_id = @v_emp_id; -- Co... SQLINES DEMO *** COMMIT; *** mployee details DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(v_emp_name, '')); DBMS_OUTPUT.PUT_LINE('Employee Salary: ' + isnull(v_salary, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee found with ID: ' + isnull(@v_emp_id, '')); END WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END; END;
BEGIN -- Declare variables DECLARE v_emp_id NUMBER; v_emp_name VARCHAR2(100); v_salary NUMBER; BEGIN -- Fetch employee details SELECT emp_id, emp_name, salary INTO v_emp_id, v_emp_name, v_salary FROM employees WHERE emp_id = 100; -- Update employee salary UPDATE employees SET salary = v_salary + 1000 WHERE emp_id = v_emp_id; -- Commit changes COMMIT; -- Display updated employee details DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_emp_name); DBMS_OUTPUT.PUT_LINE('Employee Salary: ' || v_salary); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employee found with ID: ' || v_emp_id); WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END; END;
CREATE TABLE orders (orderid FLOAT, orderdate DATE, customerid FLOAT); CREATE PROCEDURE insert_order (@i_orderid IN AS NUMBER, i_orderdate IN DATE, i_customerid IN NUMBER) IS BEGIN INSERT INTO orders (orderid, orderdate, customerid) VALUES (i_orderid, i_orderdate, i_customerid); EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END; CREATE FUNCTION get_order (@i_orderid IN NUMBERDECLARE ) RETURN BEGIN orders%ROWTYPE RETURN NULL; END; IS BEGIN RETURN (SELECT * FROM orders WHERE orderid = i_orderid); IF @@FETCH_STATUS <> 0 BEGIN RETURN NULL; END END; BEGIN -- In... SQLINES DEMO *** dbo.insert_order(1001, GETDATE(), 101); *** ails DECLARE rec CURSOR FOR SELECT * FROM orders; OPEN rec; FETCH rec INTO; WHILE @@FETCH_STATUS=0 BEGIN DBMS_OUTPUT.Put_Line('Order ID: ' + isnull(@rec_orderid, '')); DBMS_OUTPUT.Put_Line('Order Date: ' + isnull(@rec_orderdate, '')); DBMS_OUTPUT.Put_Line('Customer ID: ' + isnull(@rec_customerid, '')); FETCH rec INTO; END; CLOSE rec; DEALLOCATE rec; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
CREATE TABLE orders (orderid NUMBER, orderdate DATE, customerid NUMBER); CREATE PROCEDURE insert_order (i_orderid IN NUMBER, i_orderdate IN DATE, i_customerid IN NUMBER) IS BEGIN INSERT INTO orders (orderid, orderdate, customerid) VALUES (i_orderid, i_orderdate, i_customerid); EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END; CREATE FUNCTION get_order (i_orderid IN NUMBER) RETURN orders%ROWTYPE IS BEGIN RETURN (SELECT * FROM orders WHERE orderid = i_orderid); EXCEPTION WHEN NO_DATA_FOUND THEN RETURN NULL; END; BEGIN -- Insert a new order insert_order(1001, SYSDATE, 101); -- Get the order details FOR rec IN (SELECT * FROM orders) LOOP DBMS_OUTPUT.Put_Line('Order ID: ' || rec.orderid); DBMS_OUTPUT.Put_Line('Order Date: ' || rec.orderdate); DBMS_OUTPUT.Put_Line('Customer ID: ' || rec.customerid); END LOOP; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
IF OBJECT_ID('get_employee_name', 'FN') IS NOT NULL DROP FUNCTION get_employee_name; GO CREATE FUNCTION get_employee_name(@employee_id FLOAT) RETURNS VARCHAR(4000) AS BEGIN DECLARE @name VARCHAR(100); SELECT @name = isnull(last_name, '') + ', ' + isnull(first_name, '') FROM employees WHERE @employee_id = @employee_id; RETURN @name; END;
CREATE OR REPLACE FUNCTION get_employee_name(employee_id NUMBER) RETURN VARCHAR2 IS name VARCHAR2(100); BEGIN SELECT last_name || ', ' || first_name INTO name FROM employees WHERE employee_id = employee_id; RETURN name; END;
DECLARE @name VARCHAR(255); BEGIN SELECT @name = @name FROM employees WHERE employee_id = 1; <<outer_block>> IF @name IS NULL BEGIN RAISERROR('-20001 Employee not found', 16, 1); END BEGIN <<inner_block>> DBMS_OUTPUT.PUT_LINE('Employee name: ' + isnull(@name, '')); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error in inner block: ' + ISNULL(DBMS_ERROR_TEXT, '')); GOTO outer_block; END; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error in outer block: ' + ISNULL(DBMS_ERROR_TEXT, '')); END; END;
DECLARE name VARCHAR2(255); BEGIN SELECT name INTO name FROM employees WHERE employee_id = 1; <<outer_block>> IF name IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END IF; BEGIN <<inner_block>> DBMS_OUTPUT.PUT_LINE('Employee name: ' || name); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error in inner block: ' || DBMS_ERROR_TEXT); GOTO outer_block; END; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error in outer block: ' || DBMS_ERROR_TEXT); END; END;
BEGIN BEGIN DECLARE r CURSOR FOR SELECT * FROM employees; OPEN r; FETCH r INTO; WHILE @@FETCH_STATUS=0 BEGIN DBMS_OUTPUT.PUT_LINE(isnull(@r_first_name, '') + ' ' + isnull(@r_last_name, '')); FETCH r INTO; END; CLOSE r; DEALLOCATE r; IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employees found'); END END; UPDATE employees SET salary = salary * 1.1 WHERE department_id = 10; DECLARE @x INTEGER := 1; BEGIN WHILE @x < 10 BEGIN DBMS_OUTPUT.PUT_LINE(@x); SET @x = @x + 1; END; EXCEPTION WHEN TOO_MANY_ROWS THEN DBMS_OUTPUT.PUT_LINE('Too many rows returned'); END; END;
BEGIN BEGIN FOR r IN (SELECT * FROM employees) LOOP DBMS_OUTPUT.PUT_LINE(r.first_name || ' ' || r.last_name); END LOOP; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employees found'); END; UPDATE employees SET salary = salary * 1.1 WHERE department_id = 10; DECLARE x INTEGER := 1; BEGIN WHILE x < 10 LOOP DBMS_OUTPUT.PUT_LINE(x); x := x + 1; END LOOP; EXCEPTION WHEN TOO_MANY_ROWS THEN DBMS_OUTPUT.PUT_LINE('Too many rows returned'); END; END;
DECLARE @v_emp_id FLOAT := 100; v_emp_name dbo.VARCHAR2(50); v_salary NUMBER; BEGIN SELECT @v_emp_name = ename, @v_salary = sal FROM emp WHERE empno = @v_emp_id; IF v_emp_name IS NULL BEGIN RAISERROR('-20001 Employee not found.', 16, 1); END ELSE IF v_salary >= 10000 BEGIN UPDATE emp SET comm = 0.1 * sal WHERE empno = @v_emp_id; END DECLARE c CURSOR FOR SELECT * FROM COMPANY; OPEN c; FETCH c INTO; WHILE @@FETCH_STATUS=0 BEGIN DBMS_OUTPUT.PUT_LINE(isnull(@c_cname, '') + ', ' + isnull(@c_city, '')); FETCH c INTO; END; CLOSE c; DEALLOCATE c; END;
DECLARE v_emp_id NUMBER := 100; v_emp_name VARCHAR2(50); v_salary NUMBER; BEGIN SELECT ename, sal INTO v_emp_name, v_salary FROM emp WHERE empno = v_emp_id; IF v_emp_name IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found.'); ELSIF v_salary >= 10000 THEN UPDATE emp SET comm = 0.1 * sal WHERE empno = v_emp_id; END IF; FOR c IN (SELECT * FROM COMPANY) LOOP DBMS_OUTPUT.PUT_LINE(c.cname || ', ' || c.city); END LOOP; END;
DECLARE @name VARCHAR(50); BEGIN SELECT @name = name WHERE id = 1; IF @name IS NULL BEGIN PRINT 'No record found with id = 1'; END ELSE BEGIN PRINT 'Name = ' + @name; END UPDATE table SET name = 'New Name' WHERE id = 1; PRINT 'Updated record with id = 1'; PRINT 'New name = ' + (SELECT name from table WHERE id = 1); END;
DECLARE @name VARCHAR(50); BEGIN SELECT name INTO @name WHERE id = 1; IF @name IS NULL THEN PRINT 'No record found with id = 1'; ELSE PRINT 'Name = ' + @name; END IF; UPDATE table SET name = 'New Name' WHERE id = 1; PRINT 'Updated record with id = 1'; PRINT 'New name = ' + (SELECT name from table WHERE id = 1); END;
CREATE TABLE employees ( emp_id FLOAT PRIMARY KEY, first_name VARCHAR(50), last_name VARCHAR(50), salary DECIMAL(10,2) ); INSERT INTO employees (emp_id, first_name, last_name, salary) VALUES (101, 'John', 'Doe', 50000); INSERT INTO employees (emp_id, first_name, last_name, salary) VALUES (102, 'Jane', 'Smith', 60000); INSERT INTO employees (emp_id, first_name, last_name, salary) VALUES (103, 'Michael', 'Jones', 70000); COMMIT; CREATE PROCEDURE get_employee ( @emp_id IN AS NUMBER, OUT first_name VARCHAR2, OUT last_name VARCHAR2, OUT salary NUMBER ) AS BEGIN SELECT @first_name = first_name, @last_name = last_name, @salary = salary FROM employees WHERE emp_id = emp_id; END; DECLARE @first_name VARCHAR(50); last_name dbo.VARCHAR2(50); salary NUMBER; BEGIN dbo.get_employee(101, @first_name, last_name, salary); DBMS_OUTPUT.PUT_LINE('Employee Information:'); DBMS_OUTPUT.PUT_LINE('First Name: ' + isnull(@first_name, '')); DBMS_OUTPUT.PUT_LINE('Last Name: ' + isnull(last_name, '')); DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(salary, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee found with the given ID.'); END END;
CREATE TABLE employees ( emp_id NUMBER PRIMARY KEY, first_name VARCHAR2(50), last_name VARCHAR2(50), salary NUMBER(10,2) ); INSERT INTO employees (emp_id, first_name, last_name, salary) VALUES (101, 'John', 'Doe', 50000); INSERT INTO employees (emp_id, first_name, last_name, salary) VALUES (102, 'Jane', 'Smith', 60000); INSERT INTO employees (emp_id, first_name, last_name, salary) VALUES (103, 'Michael', 'Jones', 70000); COMMIT; CREATE PROCEDURE get_employee ( emp_id IN NUMBER, OUT first_name VARCHAR2, OUT last_name VARCHAR2, OUT salary NUMBER ) AS BEGIN SELECT first_name, last_name, salary INTO first_name, last_name, salary FROM employees WHERE emp_id = emp_id; END; DECLARE first_name VARCHAR2(50); last_name VARCHAR2(50); salary NUMBER; BEGIN get_employee(101, first_name, last_name, salary); DBMS_OUTPUT.PUT_LINE('Employee Information:'); DBMS_OUTPUT.PUT_LINE('First Name: ' || first_name); DBMS_OUTPUT.PUT_LINE('Last Name: ' || last_name); DBMS_OUTPUT.PUT_LINE('Salary: ' || salary); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employee found with the given ID.'); 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 -1; END END; BEGIN DECLARE @emp_id FLOAT := 100; salary NUMBER; BEGIN SET @salary = dbo.get_employee_salary(@emp_id); IF salary > 10000 BEGIN DBMS_OUTPUT.PUT_LINE('Employee is highly paid.'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Employee is not highly paid.'); END EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred while processing.'); 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 -1; END; BEGIN DECLARE emp_id NUMBER := 100; salary NUMBER; BEGIN salary := get_employee_salary(emp_id); IF salary > 10000 THEN DBMS_OUTPUT.PUT_LINE('Employee is highly paid.'); ELSE DBMS_OUTPUT.PUT_LINE('Employee is not highly paid.'); END IF; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred while processing.'); END; END;
IF OBJECT_ID('update_salary', 'P') IS NOT NULL DROP PROCEDURE update_salary; GO CREATE PROCEDURE update_salary ( @emp_id IN AS NUMBER, new_salary IN NUMBER ) IS BEGIN UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END; /
CREATE OR REPLACE PROCEDURE update_salary ( emp_id IN NUMBER, new_salary IN NUMBER ) IS BEGIN UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END; /
CREATE PROCEDURE get_employee_salary ( @emp_id IN AS NUMBER, salary OUT NUMBER ) AS BEGIN SELECT @salary = salary FROM employees WHERE emp_id = emp_id; IF @@FETCH_STATUS <> 0 BEGIN set @salary = 0; END END;
CREATE PROCEDURE get_employee_salary ( emp_id IN NUMBER, salary OUT NUMBER ) AS BEGIN SELECT salary INTO salary FROM employees WHERE emp_id = emp_id; EXCEPTION WHEN NO_DATA_FOUND THEN salary := 0; END;
DECLARE @v_emp_name VARCHAR(40); BEGIN SELECT @v_emp_name = name FROM employees WHERE id = 1; DBMS_OUTPUT.PUT_LINE('Employee name is: ' + isnull(@v_emp_name, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found'); END END;
DECLARE v_emp_name VARCHAR2(40); BEGIN SELECT name INTO v_emp_name FROM employees WHERE id = 1; DBMS_OUTPUT.PUT_LINE('Employee name is: ' || v_emp_name); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee not found'); END;
IF OBJECT_ID('UpdateEmployee', 'P') IS NOT NULL DROP PROCEDURE UpdateEmployee; GO CREATE PROCEDURE UpdateEmployee( @p_emp_id IN AS NUMBER, p_last_name IN VARCHAR2) IS BEGIN UPDATE employees SET last_name = p_last_name WHERE emp_id = p_emp_id; COMMIT; IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20001 Employee with ID ' + isnull(p_emp_id, '') + ' not found', 16, 1); END END;
CREATE OR REPLACE PROCEDURE UpdateEmployee( p_emp_id IN NUMBER, p_last_name IN VARCHAR2) IS BEGIN UPDATE employees SET last_name = p_last_name WHERE emp_id = p_emp_id; COMMIT; EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR(-20001, 'Employee with ID ' || p_emp_id || ' not found'); END;
CREATE PROCEDURE my_proc(@p_in IN AS NUMBER, p_out OUT NUMBER) AS BEGIN SELECT @p_out = COUNT(*) FROM my_table WHERE col1 = p_in; IF @@FETCH_STATUS <> 0 BEGIN set @p_out = 0; END END;
CREATE PROCEDURE my_proc(p_in IN NUMBER, p_out OUT NUMBER) AS BEGIN SELECT COUNT(*) INTO p_out FROM my_table WHERE col1 = p_in; EXCEPTION WHEN NO_DATA_FOUND THEN p_out := 0; END;
DECLARE @v_emp_id SMALLINT; v_emp_name dbo.VARCHAR2(20); v_salary ROW_NUMBER(10,2); BEGIN SELECT @v_emp_id = emp_id, @v_emp_name = emp_name, @v_salary = salary FROM emp WHERE emp_id = 10; IF v_salary > 10000 BEGIN UPDATE emp SET salary = salary * 1.1 WHERE emp_id = @v_emp_id; END ELSE BEGIN RAISERROR('-20001 Salary is too low for increment', 16, 1); END COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END;
DECLARE v_emp_id NUMBER(4); v_emp_name VARCHAR2(20); v_salary NUMBER(10,2); BEGIN SELECT emp_id, emp_name, salary INTO v_emp_id, v_emp_name, v_salary FROM emp WHERE emp_id = 10; IF v_salary > 10000 THEN UPDATE emp SET salary = salary * 1.1 WHERE emp_id = v_emp_id; ELSE RAISE_APPLICATION_ERROR(-20001, 'Salary is too low for increment'); END IF; COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END;
DECLARE @v_name VARCHAR(100); BEGIN SELECT @v_name = name FROM employees WHERE id = 1; DECLARE @i INT = 1; WHILE @i <= 10 BEGIN DBMS_OUTPUT.PUT_LINE(@v_name); END; IF @@fetch_status <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee found with ID 1.'); END END;
DECLARE v_name VARCHAR2(100); BEGIN SELECT name INTO v_name FROM employees WHERE id = 1; FOR i IN 1..10 LOOP DBMS_OUTPUT.PUT_LINE(v_name); END LOOP; EXCEPTION WHEN no_data_found THEN DBMS_OUTPUT.PUT_LINE('No employee found with ID 1.'); END;
IF OBJECT_ID('get_average', 'FN') IS NOT NULL DROP FUNCTION get_average; GO CREATE FUNCTION get_average(@salary FLOAT) RETURNS FLOAT AS BEGIN DECLARE @avg FLOAT; SELECT @avg = AVG(@salary) FROM employees WHERE @salary >= @salary; RETURN @avg; EXCEPTION WHEN OTHERS THEN RETURN NULL; END;
CREATE OR REPLACE FUNCTION get_average(salary NUMBER) RETURN NUMBER IS avg NUMBER; BEGIN SELECT AVG(salary) INTO avg FROM employees WHERE salary >= salary; RETURN avg; EXCEPTION WHEN OTHERS THEN RETURN NULL; END;
IF OBJECT_ID('p1', 'P') IS NOT NULL DROP PROCEDURE p1; GO CREATE PROCEDURE p1(@x IN AS VARCHAR2) IS BEGIN INSERT INTO t1 (x) VALUES (x); COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END; IF OBJECT_ID('f1', 'FN') IS NOT NULL DROP FUNCTION f1; GO CREATE FUNCTION f1(@x IN VARCHAR2DECLARE ) RETURN BEGIN VARCHAR2 RETURN NULL; END; IS BEGIN RETURN UPPER(x); END; DECLARE @v1 VARCHAR(20); BEGIN SET @v1 = dbo.f1('hello'); DBMS_OUTPUT.PUT_LINE(@v1); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred'); END;
CREATE OR REPLACE PROCEDURE p1(x IN VARCHAR2) IS BEGIN INSERT INTO t1 (x) VALUES (x); COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END; CREATE OR REPLACE FUNCTION f1(x IN VARCHAR2) RETURN VARCHAR2 IS BEGIN RETURN UPPER(x); END; DECLARE v1 VARCHAR2(20); BEGIN v1 := f1('hello'); DBMS_OUTPUT.PUT_LINE(v1); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred'); END;
CREATE TABLE t1 (a FLOAT NOT NULL /* SQLines: Added for PK */, b VARCHAR(10)); ALTER TABLE t1 ADD CONSTRAINT t1_pk PRIMARY KEY (a); INSERT INTO t1 (a, b) VALUES (1, 'a'), (2, 'b'), (3, 'c'); CREATE TYPE t_employees AS OBJECT ( id NUMBER, name VARCHAR(255), address VARCHAR(255) ); CREATE TABLE employees OF t_employees; INSERT INTO employees (id, name, address) VALUES (1, 'John Doe', '123 Main Street'); CREATE PROCEDURE get_employee (@in_id FLOAT, @out_employee OUT AS t_employees) AS BEGIN SELECT @out_employee = * FROM employees WHERE id = in_id; IF @@FETCH_STATUS <> 0 BEGIN set @out_employee = NULL; END END; CREATE FUNCTION avg_salary (@in_dept_id FLOAT) RETURNS FLOAT AS BEGIN RETURN (SELECT AVG(salary) FROM employees WHERE dept_id = @in_dept_id); IF @@FETCH_STATUS <> 0 BEGIN RETURN NULL; END END; BEGIN DECLARE @emp t_employees; sal NUMBER; BEGIN dbo.get_employee (1, @emp); IF emp.id IS NOT NULL BEGIN SET @sal = dbo.avg_salary (emp.dept_id); IF sal IS NOT NULL BEGIN DBMS_OUTPUT.PUT_LINE('Employee ' + isnull(emp.name, '') + ' has an average salary of ' + isnull(sal, '')); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('No salary data found for employee ' + isnull(emp.name, '')); END END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found'); END EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END; END;
CREATE TABLE t1 (a NUMBER, b VARCHAR(10)); ALTER TABLE t1 ADD CONSTRAINT t1_pk PRIMARY KEY (a); INSERT INTO t1 (a, b) VALUES (1, 'a'), (2, 'b'), (3, 'c'); CREATE TYPE t_employees AS OBJECT ( id NUMBER, name VARCHAR(255), address VARCHAR(255) ); CREATE TABLE employees OF t_employees; INSERT INTO employees (id, name, address) VALUES (1, 'John Doe', '123 Main Street'); CREATE PROCEDURE get_employee (in_id NUMBER, out_employee OUT t_employees) AS BEGIN SELECT * INTO out_employee FROM employees WHERE id = in_id; EXCEPTION WHEN NO_DATA_FOUND THEN out_employee := NULL; END; CREATE FUNCTION avg_salary (in_dept_id NUMBER) RETURN NUMBER AS BEGIN RETURN (SELECT AVG(salary) FROM employees WHERE dept_id = in_dept_id); EXCEPTION WHEN NO_DATA_FOUND THEN RETURN NULL; END; BEGIN DECLARE emp t_employees; sal NUMBER; BEGIN get_employee (1, emp); IF emp.id IS NOT NULL THEN sal := avg_salary (emp.dept_id); IF sal IS NOT NULL THEN DBMS_OUTPUT.PUT_LINE('Employee ' || emp.name || ' has an average salary of ' || sal); ELSE DBMS_OUTPUT.PUT_LINE('No salary data found for employee ' || emp.name); END IF; ELSE DBMS_OUTPUT.PUT_LINE('Employee not found'); END IF; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END; END;
CREATE TABLE emp (empno smallint, ename varchar(20), sal decimal(10,2), job varchar(20), deptno smallint, PRIMARY KEY (empno)); INSERT INTO emp (empno, ename, sal, job, deptno) VALUES (1, 'Alice', 1000, 'Clerk', 10); INSERT INTO emp (empno, ename, sal, job, deptno) VALUES (2, 'Bob', 1500, 'Manager', 20); INSERT INTO emp (empno, ename, sal, job, deptno) VALUES (3, 'Carol', 2000, 'Analyst', 30); ALTER TABLE emp ADD CONSTRAINT fk_deptno FOREIGN KEY (deptno) REFERENCES dept(deptno); CREATE TABLE dept (deptno smallint, dname varchar(20), PRIMARY KEY (deptno)); INSERT INTO dept (deptno, dname) VALUES (10, 'Sales'); INSERT INTO dept (deptno, dname) VALUES (20, 'Management'); INSERT INTO dept (deptno, dname) VALUES (30, 'Finance'); CREATE PROCEDURE give_raise (@empno float, @percent float) AS new_sal row_number(10,2); BEGIN SELECT @new_sal = sal FROM emp WHERE empno = empno; set @new_sal = new_sal * (1 + percent / 100); UPDATE emp SET sal = new_sal WHERE empno = empno; IF @@fetch_status <> 0 BEGIN raiserror('-20001 Employee not found', 16, 1); END END give_raise; CREATE FUNCTION get_dept_name (@deptno float) RETURNS varchar(4000) AS BEGIN DECLARE @dname varchar(20); SELECT @dname = @dname FROM dept WHERE @deptno = @deptno; IF @@fetch_status <> 0 BEGIN raiserror('-20002 Department not found', 16, 1); END RETURN NULL; END; BEGIN DECLARE @l_empno float := 1; l_percent SET @number = 10; BEGIN dbo.give_raise(@l_empno, l_percent); EXCEPTION WHEN others THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END; DBMS_OUTPUT.PUT_LINE('Department Name: ' + isnull(dbo.get_dept_name(20), '')); END;
CREATE TABLE emp (empno number(4), ename varchar2(20), sal number(10,2), job varchar2(20), deptno number(2), PRIMARY KEY (empno)); INSERT INTO emp (empno, ename, sal, job, deptno) VALUES (1, 'Alice', 1000, 'Clerk', 10); INSERT INTO emp (empno, ename, sal, job, deptno) VALUES (2, 'Bob', 1500, 'Manager', 20); INSERT INTO emp (empno, ename, sal, job, deptno) VALUES (3, 'Carol', 2000, 'Analyst', 30); ALTER TABLE emp ADD CONSTRAINT fk_deptno FOREIGN KEY (deptno) REFERENCES dept(deptno); CREATE TABLE dept (deptno number(2), dname varchar2(20), PRIMARY KEY (deptno)); INSERT INTO dept (deptno, dname) VALUES (10, 'Sales'); INSERT INTO dept (deptno, dname) VALUES (20, 'Management'); INSERT INTO dept (deptno, dname) VALUES (30, 'Finance'); PROCEDURE give_raise (empno number, percent number) AS new_sal number(10,2); BEGIN SELECT sal INTO new_sal FROM emp WHERE empno = empno; new_sal := new_sal * (1 + percent / 100); UPDATE emp SET sal = new_sal WHERE empno = empno; EXCEPTION WHEN no_data_found THEN raise_application_error(-20001, 'Employee not found'); END give_raise; FUNCTION get_dept_name (deptno number) RETURN varchar2 AS dname varchar2(20); BEGIN SELECT dname INTO dname FROM dept WHERE deptno = deptno; EXCEPTION WHEN no_data_found THEN raise_application_error(-20002, 'Department not found'); END get_dept_name; BEGIN DECLARE l_empno number := 1; l_percent number := 10; BEGIN give_raise(l_empno, l_percent); EXCEPTION WHEN others THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END; DBMS_OUTPUT.PUT_LINE('Department Name: ' || get_dept_name(20)); END;
CREATE TABLE employees ( id BIGINT PRIMARY KEY, name VARCHAR(200) NOT NULL, salary DECIMAL(10,2) NOT NULL ); IF OBJECT_ID('update_salary', 'P') IS NOT NULL DROP PROCEDURE update_salary; GO CREATE PROCEDURE update_salary ( @employee_id IN AS NUMBER, new_salary IN NUMBER ) AS BEGIN UPDATE employees SET salary = new_salary WHERE id = employee_id; COMMIT; END; BEGIN DECLARE @emp_id BIGINT; emp_salary ROW_NUMBER(10,2); BEGIN SELECT @emp_id = id, @emp_salary = salary FROM employees WHERE name = 'John Doe'; dbo.update_salary(@emp_id, emp_salary * 1.1); IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20001 Employee not found', 16, 1); END END; END;
CREATE TABLE employees ( id NUMBER(10) PRIMARY KEY, name VARCHAR2(200) NOT NULL, salary NUMBER(10,2) NOT NULL ); CREATE OR REPLACE PROCEDURE update_salary ( employee_id IN NUMBER, new_salary IN NUMBER ) AS BEGIN UPDATE employees SET salary = new_salary WHERE id = employee_id; COMMIT; END; BEGIN DECLARE emp_id NUMBER(10); emp_salary NUMBER(10,2); BEGIN SELECT id, salary INTO emp_id, emp_salary FROM employees WHERE name = 'John Doe'; update_salary(emp_id, emp_salary * 1.1); EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END; END;
DECLARE @x INT := 10; @y SET @INT = 20; @z SET @INT = 0; BEGIN IF @x > @y BEGIN SET @z = @x - @y; END ELSE BEGIN SET @z = @y - @x; END WHILE @z > 0 BEGIN DBMS_OUTPUT.PUT_LINE(@z); SET @z = @z - 1; END; END; /
DECLARE @x INT := 10; @y INT := 20; @z INT := 0; BEGIN IF @x > @y THEN @z := @x - @y; ELSE @z := @y - @x; END IF; WHILE @z > 0 DO DBMS_OUTPUT.PUT_LINE(@z); @z := @z - 1; END WHILE; END; /
CREATE TABLE customers ( id FLOAT PRIMARY KEY, name VARCHAR(50) NOT NULL, email VARCHAR(50) UNIQUE ); CREATE TABLE orders ( id FLOAT PRIMARY KEY, customer_id FLOAT REFERENCES customers(id), product_id FLOAT, quantity FLOAT ); IF OBJECT_ID('place_order', 'P') IS NOT NULL DROP PROCEDURE place_order; GO CREATE PROCEDURE place_order ( @p_customer_id IN AS NUMBER, p_product_id IN NUMBER, p_quantity IN NUMBER ) AS BEGIN INSERT INTO orders (customer_id, product_id, quantity) VALUES (p_customer_id, p_product_id, p_quantity); COMMIT; END; BEGIN DECLARE @order_id FLOAT; BEGIN dbo.place_order(1, 1, 2); EXCEPTION WHEN DUP_VAL_ON_INDEX THEN DBMS_OUTPUT.PUT_LINE('Duplicate value on unique index'); END; SELECT @order_id = id FROM orders WHERE customer_id = 1 AND product_id = 1; DBMS_OUTPUT.PUT_LINE('Order ID: ' + isnull(@order_id, '')); END;
CREATE TABLE customers ( id NUMBER PRIMARY KEY, name VARCHAR2(50) NOT NULL, email VARCHAR2(50) UNIQUE ); CREATE TABLE orders ( id NUMBER PRIMARY KEY, customer_id NUMBER REFERENCES customers(id), product_id NUMBER, quantity NUMBER ); CREATE OR REPLACE PROCEDURE place_order ( p_customer_id IN NUMBER, p_product_id IN NUMBER, p_quantity IN NUMBER ) AS BEGIN INSERT INTO orders (customer_id, product_id, quantity) VALUES (p_customer_id, p_product_id, p_quantity); COMMIT; END; BEGIN DECLARE order_id NUMBER; BEGIN place_order(1, 1, 2); EXCEPTION WHEN DUP_VAL_ON_INDEX THEN DBMS_OUTPUT.PUT_LINE('Duplicate value on unique index'); END; SELECT id INTO order_id FROM orders WHERE customer_id = 1 AND product_id = 1; DBMS_OUTPUT.PUT_LINE('Order ID: ' || order_id); END;
CREATE FUNCTION get_total_sales(@cust_id in numberDECLARE ) RETURN BEGIN number return null; end; IS total_sales number; BEGIN SELECT @total_sales = sum(amount) FROM sales WHERE customer_id = cust_id; RETURN total_sales; IF @@FETCH_STATUS <> 0 BEGIN RETURN 0; END END; -- Ex... SQLINES DEMO *** BEGIN DBMS_OUTPUT.put_line('Total sales for customer 1: ' + isnull(dbo.get_total_sales(1), '')); END;
CREATE FUNCTION get_total_sales(cust_id in number) RETURN number IS total_sales number; BEGIN SELECT sum(amount) INTO total_sales FROM sales WHERE customer_id = cust_id; RETURN total_sales; EXCEPTION WHEN NO_DATA_FOUND THEN RETURN 0; END; -- Example usage BEGIN DBMS_OUTPUT.put_line('Total sales for customer 1: ' || get_total_sales(1)); END;
CREATE FUNCTION get_customer_name(@customer_id IN NUMBERDECLARE ) RETURN BEGIN VARCHAR2 RETURN NULL; END; IS customer_name dbo.VARCHAR2(255); BEGIN SELECT @customer_name = name FROM customers WHERE customer_id = customer_id; RETURN customer_name; END; CREATE PROCEDURE insert_order(@customer_id IN AS NUMBER, product_id IN NUMBER, quantity IN NUMBER) IS BEGIN INSERT INTO orders (customer_id, product_id, quantity) VALUES (customer_id, product_id, quantity); COMMIT; END; BEGIN DECLARE @customer_name VARCHAR(255); order_id NUMBER; BEGIN SET @customer_name = dbo.get_customer_name(1); DBMS_OUTPUT.PUT_LINE('Customer: ' + isnull(@customer_name, '')); dbo.insert_order(1, 1, 10); SELECT @order_id = order_id FROM orders WHERE customer_id = 1 ORDER BY order_date DESC; DBMS_OUTPUT.PUT_LINE('Order ID: ' + isnull(order_id, '')); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error: ' + ISNULL(SQLERRM, '')); END; END;
CREATE FUNCTION get_customer_name(customer_id IN NUMBER) RETURN VARCHAR2 IS customer_name VARCHAR2(255); BEGIN SELECT name INTO customer_name FROM customers WHERE customer_id = customer_id; RETURN customer_name; END; CREATE PROCEDURE insert_order(customer_id IN NUMBER, product_id IN NUMBER, quantity IN NUMBER) IS BEGIN INSERT INTO orders (customer_id, product_id, quantity) VALUES (customer_id, product_id, quantity); COMMIT; END; BEGIN DECLARE customer_name VARCHAR2(255); order_id NUMBER; BEGIN customer_name := get_customer_name(1); DBMS_OUTPUT.PUT_LINE('Customer: ' || customer_name); insert_order(1, 1, 10); SELECT order_id INTO order_id FROM orders WHERE customer_id = 1 ORDER BY order_date DESC; DBMS_OUTPUT.PUT_LINE('Order ID: ' || order_id); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM); END; END;
DECLARE @v_salary FLOAT; BEGIN SELECT @v_salary = salary FROM employees WHERE employee_id = 1; IF (@v_salary IS NULL) BEGIN RAISERROR('-20100 Employee with ID 1 not found', 16, 1); END END;
DECLARE v_salary NUMBER; BEGIN SELECT salary INTO v_salary FROM employees WHERE employee_id = 1; IF (v_salary IS NULL) THEN RAISE_APPLICATION_ERROR(-20100, 'Employee with ID 1 not found'); END IF; END;
DECLARE @l_empno FLOAT; BEGIN SELECT TOP 1 @l_empno = empno FROM emp ; IF @l_empno IS NULL BEGIN RAISERROR('-20001 No employees found', 16, 1); END UPDATE emp SET sal = sal * 1.10 WHERE empno = @l_empno; COMMIT; DBMS_OUTPUT.PUT_LINE('Salary updated for employee ' + isnull(@l_empno, '')); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' + ISNULL(SQLERRM, '')); END;
DECLARE l_empno NUMBER; BEGIN SELECT empno INTO l_empno FROM emp WHERE rownum = 1; IF l_empno IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'No employees found'); END IF; UPDATE emp SET sal = sal * 1.10 WHERE empno = l_empno; COMMIT; DBMS_OUTPUT.PUT_LINE('Salary updated for employee ' || l_empno); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' || SQLERRM); END;
CREATE OR REPLACE PACKAGE my_pkg AS PROCEDURE my_proc( @arg1 IN DECLARE @VARCHAR2, arg2 OUT NUMBER ); CREATE FUNCTION my_func( @arg1 IN NUMBER DECLARE ) RETURN BEGIN VARCHAR2 RETURN NULL; END;; END my_pkg; / /* PACKAGE BODY my_pkg */ IF OBJECT_ID('my_pkg_my_proc', 'P') IS NOT NULL DROP PROCEDURE my_pkg_my_proc; GO CREATE PROCEDURE my_pkg_my_proc( @arg1 IN AS VARCHAR2DECLARE , arg2 DECLARE @OUT FLOAT DECLARE ) AS BEGIN SET @arg2 = arg1.Length; my_proc; CREATE FUNCTION my_func( @arg1 IN NUMBER DECLARE ) RETURN BEGIN VARCHAR2 RETURN NULL; END; AS BEGIN RETURN arg1.ToString; END my_func; END my_pkg; / DECLARE @v_arg2 FLOAT; BEGIN my_pkg.my_proc( 'Hello World', @v_arg2 ); DBMS_OUTPUT.Put_Line( @v_arg2 ); DBMS_OUTPUT.Put_Line( my_pkg.my_func( 10 ) ); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.Put_Line( SQLERRM ); END; /
CREATE OR REPLACE PACKAGE my_pkg AS PROCEDURE my_proc( arg1 IN VARCHAR2, arg2 OUT NUMBER ); FUNCTION my_func( arg1 IN NUMBER ) RETURN VARCHAR2; END my_pkg; / CREATE OR REPLACE PACKAGE BODY my_pkg AS PROCEDURE my_proc( arg1 IN VARCHAR2, arg2 OUT NUMBER ) AS BEGIN arg2 := arg1.Length; END my_proc; FUNCTION my_func( arg1 IN NUMBER ) RETURN VARCHAR2 AS BEGIN RETURN arg1.ToString; END my_func; END my_pkg; / DECLARE v_arg2 NUMBER; BEGIN my_pkg.my_proc( 'Hello World', v_arg2 ); DBMS_OUTPUT.Put_Line( v_arg2 ); DBMS_OUTPUT.Put_Line( my_pkg.my_func( 10 ) ); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.Put_Line( SQLERRM ); END; /
IF OBJECT_ID('print_employee', 'P') IS NOT NULL DROP PROCEDURE print_employee; GO CREATE PROCEDURE print_employee(@empno FLOAT) AS BEGIN SET NOCOUNT ON; SELECT @v_ename = ename, @v_job = job, @v_sal = sal FROM emp WHERE @empno = @empno; DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(v_ename, '')); DBMS_OUTPUT.PUT_LINE('Job Title: ' + isnull(v_job, '')); DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(v_sal, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee found with that employee number.'); END END; GO
CREATE OR REPLACE PROCEDURE print_employee(empno NUMBER) IS BEGIN SELECT ename, job, sal INTO v_ename, v_job, v_sal FROM emp WHERE empno = empno; DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_ename); DBMS_OUTPUT.PUT_LINE('Job Title: ' || v_job); DBMS_OUTPUT.PUT_LINE('Salary: ' || v_sal); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employee found with that employee number.'); END; /
declare @salary float := 1500; tax set @number = 0; begin if @salary < 1000 begin set @tax = @salary * 0.1; end else if @salary < 2000 begin set @tax = @salary * 0.15; end else if @salary < 3000 begin set @tax = @salary * 0.2; end else begin set @tax = @salary * 0.25; end dbms_output.put_line('Salary: ' + isnull(@salary, '')); dbms_output.put_line('Tax: ' + isnull(tax, '')); exception when others then dbms_output.put_line('Error occurred: ' + isnull(sqlerrm, '')); end;
declare salary number := 1500; tax number := 0; begin if salary < 1000 then tax := salary * 0.1; elsif salary < 2000 then tax := salary * 0.15; elsif salary < 3000 then tax := salary * 0.2; else tax := salary * 0.25; end if; dbms_output.put_line('Salary: ' || salary); dbms_output.put_line('Tax: ' || tax); exception when others then dbms_output.put_line('Error occurred: ' || sqlerrm); end;
BEGIN DECLARE emp CURSOR FOR SELECT * FROM employees WHERE department_id = :dept_id; OPEN emp; FETCH emp INTO; WHILE @@FETCH_STATUS=0 BEGIN *** e's salary set @emp.salary = @emp_salary + (@emp_salary * :raise); *** ee's salary UPDATE employees SET salary = @emp_salary WHERE employee_id = @emp_employee_id; *** alary DBMS_OUTPUT.PUT_LINE('Updated salary for employee ' + isnull(@emp_employee_id, '') + ': ' + isnull(@emp_salary, '')); FETCH emp INTO; END; CLOSE emp; DEALLOCATE emp; COMMIT; EXCEPTION WHEN others THEN *** that occur DBMS_OUTPUT.PUT_LINE('Error occurred: ' + ISNULL(SQLERRM, '')); ROLLBACK; END;
BEGIN FOR emp IN ( SELECT * FROM employees WHERE department_id = :dept_id ) LOOP -- Calculate employee's salary emp.salary := emp.salary + (emp.salary * :raise); -- Update the employee's salary UPDATE employees SET salary = emp.salary WHERE employee_id = emp.employee_id; -- Log the updated salary DBMS_OUTPUT.PUT_LINE('Updated salary for employee ' || emp.employee_id || ': ' || emp.salary); END LOOP; COMMIT; EXCEPTION WHEN others THEN -- Handle any errors that occur DBMS_OUTPUT.PUT_LINE('Error occurred: ' || SQLERRM); ROLLBACK; END;
DECLARE @v_salary DECIMAL(10, 2); BEGIN SELECT @v_salary = salary FROM emp WHERE empno = 100; IF @v_salary IS NULL BEGIN RAISERROR('-20000 Employee not found', 16, 1); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(@v_salary, '')); END END;
DECLARE v_salary NUMBER(10, 2); BEGIN SELECT salary INTO v_salary FROM emp WHERE empno = 100; IF v_salary IS NULL THEN RAISE_APPLICATION_ERROR(-20000, 'Employee not found'); ELSE DBMS_OUTPUT.PUT_LINE('Salary: ' || v_salary); END IF; END;
CREATE TABLE Customers ( Customer_ID BIGINT PRIMARY KEY, Customer_Name VARCHAR(50) NOT NULL ); CREATE TABLE Orders ( Order_ID BIGINT PRIMARY KEY, Customer_ID BIGINT REFERENCES Customers(Customer_ID), Order_Date DATE, Total_Amount DECIMAL(10,2) ); CREATE PROCEDURE InsertCustomer ( @p_Customer_Name IN AS VARCHAR2 ) IS BEGIN INSERT INTO Customers(Customer_Name) VALUES (p_Customer_Name); EXCEPTION WHEN OTHERS THEN RAISERROR('-20000 Error while inserting customer', 16, 1); END; CREATE FUNCTION GetCustomerOrders ( @p_Customer_ID IN NUMBER DECLARE ) RETURN BEGIN SYS_REFCURSOR RETURN NULL; END; IS v_cursor SYS_REFCURSOR; BEGIN SELECT * FROM Orders WHERE Customer_ID = p_Customer_ID; RETURN v_cursor; EXCEPTION WHEN OTHERS THEN RAISERROR('-20001 Error while fetching customer orders', 16, 1); END; BEGIN DECLARE @v_customer_id BIGINT; v_cursor SYS_REFCURSOR; BEGIN dbo.INSERTCustomer('John Doe'); SELECT @v_customer_id = Customer_ID FROM Customers WHERE Customer_Name = 'John Doe'; SET @sql = dbo.GetCustomerOrders(@v_customer_id); EXECUTE sp_executesql @sql; EXCEPTION WHEN OTHERS THEN RAISERROR('-20002 Error while processing transaction', 16, 1); END; END;
CREATE TABLE Customers ( Customer_ID NUMBER(10) PRIMARY KEY, Customer_Name VARCHAR2(50) NOT NULL ); CREATE TABLE Orders ( Order_ID NUMBER(10) PRIMARY KEY, Customer_ID NUMBER(10) REFERENCES Customers(Customer_ID), Order_Date DATE, Total_Amount NUMBER(10,2) ); CREATE PROCEDURE InsertCustomer ( p_Customer_Name IN VARCHAR2 ) IS BEGIN INSERT INTO Customers(Customer_Name) VALUES (p_Customer_Name); EXCEPTION WHEN OTHERS THEN RAISE_APPLICATION_ERROR(-20000, 'Error while inserting customer'); END; CREATE FUNCTION GetCustomerOrders ( p_Customer_ID IN NUMBER ) RETURN SYS_REFCURSOR IS v_cursor SYS_REFCURSOR; BEGIN OPEN v_cursor FOR SELECT * FROM Orders WHERE Customer_ID = p_Customer_ID; RETURN v_cursor; EXCEPTION WHEN OTHERS THEN RAISE_APPLICATION_ERROR(-20001, 'Error while fetching customer orders'); END; BEGIN DECLARE v_customer_id NUMBER(10); v_cursor SYS_REFCURSOR; BEGIN INSERTCustomer('John Doe'); SELECT Customer_ID INTO v_customer_id FROM Customers WHERE Customer_Name = 'John Doe'; OPEN v_cursor FOR GetCustomerOrders(v_customer_id); EXCEPTION WHEN OTHERS THEN RAISE_APPLICATION_ERROR(-20002, 'Error while processing transaction'); END; END;
DECLARE @employee_id FLOAT; BEGIN SELECT @employee_id = @employee_id FROM employees WHERE last_name = 'Smith'; IF @employee_id IS NULL BEGIN RAISERROR('-20001 No employee found with last name Smith', 16, 1); END ELSE BEGIN UPDATE employees SET salary = salary * 1.10 WHERE @employee_id = @employee_id; COMMIT; END END;
DECLARE employee_id NUMBER; BEGIN SELECT employee_id INTO employee_id FROM employees WHERE last_name = 'Smith'; IF employee_id IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'No employee found with last name Smith'); ELSE UPDATE employees SET salary = salary * 1.10 WHERE employee_id = employee_id; COMMIT; END IF; END;
BEGIN -- De... SQLINES DEMO *** DECLARE @v_emp_id DECIMAL(19,4) /* Use -meta option EMPLOYEE.emp_id%TYPE */; v_emp_name EMPLOYEE.emp_name%TYPE; v_salary EMPLOYEE.salary%TYPE; v_dept_id DEPARTMENT.dept_id%TYPE; v_dept_name DEPARTMENT.dept_name%TYPE; v_err_msg dbo.VARCHAR2(200); BEGIN *** rmation SELECT @v_emp_id = emp_id, @v_emp_name = emp_name, @v_salary = salary FROM EMPLOYEE WHERE emp_id = 100; *** formation SELECT @v_dept_id = dept_id, @v_dept_name = dept_name FROM DEPARTMENT WHERE dept_id = @v_emp_id; -- Di... SQLINES DEMO *** DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(@v_emp_id, '')); DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(v_emp_name, '')); DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(v_salary, '')); DBMS_OUTPUT.PUT_LINE('Department ID: ' + isnull(v_dept_id, '')); DBMS_OUTPUT.PUT_LINE('Department Name: ' + isnull(v_dept_name, '')); IF @@FETCH_STATUS <> 0 BEGIN SET @v_err_msg = 'No employee found with ID ' + isnull(@v_emp_id, ''); RAISERROR(-20000, v_err_msg, 16, 1); END END; END;
BEGIN -- Declare variables DECLARE v_emp_id EMPLOYEE.emp_id%TYPE; v_emp_name EMPLOYEE.emp_name%TYPE; v_salary EMPLOYEE.salary%TYPE; v_dept_id DEPARTMENT.dept_id%TYPE; v_dept_name DEPARTMENT.dept_name%TYPE; v_err_msg VARCHAR2(200); BEGIN -- Get employee information SELECT emp_id, emp_name, salary INTO v_emp_id, v_emp_name, v_salary FROM EMPLOYEE WHERE emp_id = 100; -- Get department information SELECT dept_id, dept_name INTO v_dept_id, v_dept_name FROM DEPARTMENT WHERE dept_id = v_emp_id; -- Display results DBMS_OUTPUT.PUT_LINE('Employee ID: ' || v_emp_id); DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_emp_name); DBMS_OUTPUT.PUT_LINE('Salary: ' || v_salary); DBMS_OUTPUT.PUT_LINE('Department ID: ' || v_dept_id); DBMS_OUTPUT.PUT_LINE('Department Name: ' || v_dept_name); EXCEPTION WHEN NO_DATA_FOUND THEN v_err_msg := 'No employee found with ID ' || v_emp_id; RAISE_APPLICATION_ERROR(-20000, v_err_msg); END; END;
WITH RECURSIVE CTE AS ( SELECT *, LEVEL AS depth FROM employee WHERE manager_id IS NULL UNION ALL SELECT e.*, depth + 1 FROM CTE c JOIN employee e ON c.employee_id = e.manager_id ) SELECT employee_id, name, depth FROM CTE WHERE depth = 3; IF OBJECT_ID('withdraw_funds', 'P') IS NOT NULL DROP PROCEDURE withdraw_funds; GO CREATE PROCEDURE withdraw_funds( @IN account_id AS NUMBER, IN amount NUMBER, OUT success BOOLEAN ) AS BEGIN UPDATE account SET balance = balance - amount WHERE account_id = account_id; IF @@ROWCOUNT = 1 BEGIN set @success = TRUE; END ELSE BEGIN set @success = FALSE; RAISERROR('-20001 Withdrawal failed', 16, 1); END END; IF OBJECT_ID('calculate_tax', 'FN') IS NOT NULL DROP FUNCTION calculate_tax; GO CREATE FUNCTION calculate_tax( @IN income NUMBER DECLARE ) RETURN BEGIN NUMBER RETURN NULL; END; DETERMINISTIC AS BEGIN IF income > 100000 BEGIN RETURN income * 0.3; END ELSE BEGIN RETURN income * 0.2; END END; BEGIN DECLARE @i INT = 1; WHILE @i <= 10 BEGIN DBMS_OUTPUT.PUT_LINE('Iteration ' + isnull(i, '')); END; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END; CREATE TABLE customers ( customer_id BIGINT PRIMARY KEY, name VARCHAR(50) NOT NULL, email VARCHAR(100) UNIQUE, phone VARCHAR(20), CONSTRAINT FK_email FOREIGN KEY (email) REFERENCES contacts (email) );
WITH RECURSIVE CTE AS ( SELECT *, LEVEL AS depth FROM employee WHERE manager_id IS NULL UNION ALL SELECT e.*, depth + 1 FROM CTE c JOIN employee e ON c.employee_id = e.manager_id ) SELECT employee_id, name, depth FROM CTE WHERE depth = 3; CREATE OR REPLACE PROCEDURE withdraw_funds( IN account_id NUMBER, IN amount NUMBER, OUT success BOOLEAN ) AS BEGIN UPDATE account SET balance = balance - amount WHERE account_id = account_id; IF SQL%ROWCOUNT = 1 THEN success := TRUE; ELSE success := FALSE; RAISE_APPLICATION_ERROR(-20001, 'Withdrawal failed'); END IF; END; CREATE OR REPLACE FUNCTION calculate_tax( IN income NUMBER ) RETURN NUMBER DETERMINISTIC AS BEGIN IF income > 100000 THEN RETURN income * 0.3; ELSE RETURN income * 0.2; END IF; END; BEGIN FOR i IN 1..10 LOOP DBMS_OUTPUT.PUT_LINE('Iteration ' || i); END LOOP; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END; CREATE TABLE customers ( customer_id NUMBER(10) PRIMARY KEY, name VARCHAR2(50) NOT NULL, email VARCHAR2(100) UNIQUE, phone VARCHAR2(20), CONSTRAINT FK_email FOREIGN KEY (email) REFERENCES contacts (email) );
DECLARE @v_empid FLOAT; v_ename dbo.VARCHAR2(30); v_salary NUMBER; BEGIN SELECT TOP 2 @v_empid = empid, @v_ename = ename, @v_salary = salary FROM emp; IF v_salary > 5000 BEGIN SET @v_salary = v_salary * 1.1; UPDATE emp SET salary = v_salary WHERE empid = @v_empid; END IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No matching records found'); END WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred'); END; END;
DECLARE v_empid NUMBER; v_ename VARCHAR2(30); v_salary NUMBER; BEGIN SELECT empid, ename, salary INTO v_empid, v_ename, v_salary FROM emp WHERE rownum < 3; IF v_salary > 5000 THEN v_salary := v_salary * 1.1; UPDATE emp SET salary = v_salary WHERE empid = v_empid; END IF; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No matching records found'); WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred'); END; END;
CREATE PROCEDURE my_proc ( @p_id IN AS NUMBER ) AS BEGIN UPDATE employees SET salary = salary * 1.10 WHERE employee_id = p_id; COMMIT; END; CREATE FUNCTION my_func ( @p_value IN NUMBER DECLARE ) RETURN BEGIN NUMBER RETURN NULL; END; AS BEGIN RETURN p_value * 2; END; BEGIN DECLARE @v_id FLOAT; v_result NUMBER; BEGIN SET @v_id = 1234; SELECT @v_result = dbo.my_func(@v_id); DBMS_OUTPUT.PUT_LINE('Result: ' + isnull(v_result, '')); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error: ' + ISNULL(@@ERROR, '') + ' - ' + ISNULL(SQLERRM, '')); END; END;
CREATE PROCEDURE my_proc ( p_id IN NUMBER ) AS BEGIN UPDATE employees SET salary = salary * 1.10 WHERE employee_id = p_id; COMMIT; END; CREATE FUNCTION my_func ( p_value IN NUMBER ) RETURN NUMBER AS BEGIN RETURN p_value * 2; END; BEGIN DECLARE v_id NUMBER; v_result NUMBER; BEGIN v_id := 1234; SELECT my_func(v_id) INTO v_result FROM dual; DBMS_OUTPUT.PUT_LINE('Result: ' || v_result); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error: ' || SQLCODE || ' - ' || SQLERRM); END; END;
IF OBJECT_ID('get_avg_salary', 'P') IS NOT NULL DROP PROCEDURE get_avg_salary; GO CREATE PROCEDURE get_avg_salary( @deptno IN AS NUMBER, avg_sal OUT NUMBER ) AS CURSOR c1 IS SELECT AVG(salary) FROM emp WHERE deptno = deptno; BEGIN OPEN c1; FETCH c1 INTO @avg_sal; CLOSE c1; END; / DECLARE @avg_salary FLOAT; BEGIN dbo.get_avg_salary(20, @avg_salary); DBMS_OUTPUT.PUT_LINE('Average salary for department 20: ' + isnull(@avg_salary, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No data found for the specified department.'); END END; /
CREATE OR REPLACE PROCEDURE get_avg_salary( deptno IN NUMBER, avg_sal OUT NUMBER ) AS CURSOR c1 IS SELECT AVG(salary) FROM emp WHERE deptno = deptno; BEGIN OPEN c1; FETCH c1 INTO avg_sal; CLOSE c1; END; / DECLARE avg_salary NUMBER; BEGIN get_avg_salary(20, avg_salary); DBMS_OUTPUT.PUT_LINE('Average salary for department 20: ' || avg_salary); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No data found for the specified department.'); END; /
CREATE PROCEDURE EmpBonus(@emp_id IN AS NUMBER, bonus_amount IN NUMBER) IS total_salary NUMBER; BEGIN SELECT @total_salary = salary FROM employees WHERE employee_id = emp_id; IF total_salary >= 50000 BEGIN UPDATE employees SET salary = salary + bonus_amount WHERE employee_id = emp_id; END ELSE BEGIN RAISERROR('-20001 Bonus not applicable for salary less than 50000', 16, 1); END END;
CREATE PROCEDURE EmpBonus(emp_id IN NUMBER, bonus_amount IN NUMBER) IS total_salary NUMBER; BEGIN SELECT salary INTO total_salary FROM employees WHERE employee_id = emp_id; IF total_salary >= 50000 THEN UPDATE employees SET salary = salary + bonus_amount WHERE employee_id = emp_id; ELSE RAISE_APPLICATION_ERROR(-20001, 'Bonus not applicable for salary less than 50000'); END IF; END;
IF OBJECT_ID('get_employee_salary', 'FN') IS NOT NULL DROP FUNCTION get_employee_salary; GO CREATE FUNCTION get_employee_salary(@emp_id FLOAT) RETURNS FLOAT AS BEGIN DECLARE @salary FLOAT; SELECT @salary = @salary FROM employees WHERE employee_id = @emp_id; RETURN @salary; IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20001 Employee not found', 16, 1); END 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; COMMIT; EXCEPTION WHEN INVALID_ARGUMENT THEN RAISERROR('-20002 Invalid salary', 16, 1); END; BEGIN DECLARE @emp_id FLOAT := 100; salary SET @NUMBER = dbo.get_employee_salary(@emp_id); BEGIN *** y 10% SET @salary = salary * 1.10; dbo.update_employee_salary(@emp_id, salary); COMMIT; EXCEPTION WHEN DUP_VAL_ON_INDEX THEN RAISERROR('-20003 Salary update failed due to duplicate salary', 16, 1); END; END;
CREATE OR REPLACE FUNCTION get_employee_salary(emp_id NUMBER) RETURN NUMBER IS salary NUMBER; BEGIN SELECT salary INTO salary FROM employees WHERE employee_id = emp_id; RETURN salary; EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); 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; COMMIT; EXCEPTION WHEN INVALID_ARGUMENT THEN RAISE_APPLICATION_ERROR(-20002, 'Invalid salary'); END; BEGIN DECLARE emp_id NUMBER := 100; salary NUMBER := get_employee_salary(emp_id); BEGIN -- Increase salary by 10% salary := salary * 1.10; update_employee_salary(emp_id, salary); COMMIT; EXCEPTION WHEN DUP_VAL_ON_INDEX THEN RAISE_APPLICATION_ERROR(-20003, 'Salary update failed due to duplicate salary'); END; END;
IF OBJECT_ID('get_employee_info', 'FN') IS NOT NULL DROP FUNCTION get_employee_info; GO CREATE FUNCTION get_employee_info(@emp_id FLOAT) RETURNS SYS_REFCURSOR AS BEGIN DECLARE @emp_info SYS_REFCURSOR; SELECT employee_id, first_name, email, salary FROM employees WHERE employee_id = @emp_id; RETURN @emp_info; END; BEGIN DECLARE @emp_cur SYS_REFCURSOR; emp_id SET @NUMBER = 100; BEGIN SET @emp_cur = dbo.get_employee_info(emp_id); WHILE 1=1 BEGIN FETCH emp_cur INTO @emp_id, @first_name, @email, @salary; IF @@FETCH_STATUS <> 0 BREAK; DBMS_OUTPUT.PUT_LINE('Employee ID: ' + isnull(emp_id, '')); DBMS_OUTPUT.PUT_LINE('First Name: ' + isnull(first_name, '')); DBMS_OUTPUT.PUT_LINE('Email: ' + isnull(email, '')); DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(salary, '')); END; CLOSE emp_cur; IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee found with ID: ' + isnull(emp_id, '')); END END; END;
CREATE OR REPLACE FUNCTION get_employee_info(emp_id NUMBER) RETURN SYS_REFCURSOR IS emp_info SYS_REFCURSOR; BEGIN OPEN emp_info FOR SELECT employee_id, first_name, email, salary FROM employees WHERE employee_id = emp_id; RETURN emp_info; END; BEGIN DECLARE emp_cur SYS_REFCURSOR; emp_id NUMBER := 100; BEGIN emp_cur := get_employee_info(emp_id); LOOP FETCH emp_cur INTO emp_id, first_name, email, salary; EXIT WHEN emp_cur%NOTFOUND; DBMS_OUTPUT.PUT_LINE('Employee ID: ' || emp_id); DBMS_OUTPUT.PUT_LINE('First Name: ' || first_name); DBMS_OUTPUT.PUT_LINE('Email: ' || email); DBMS_OUTPUT.PUT_LINE('Salary: ' || salary); END LOOP; CLOSE emp_cur; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employee found with ID: ' || emp_id); END; END;
BEGIN DECLARE cursor_name cursor for SELECT * FROM EMP; emp_no EMP.emp_no%type; BEGIN OPEN cursor_name; FETCH cursor_name INTO @emp_no; CLOSE cursor_name; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' + ISNULL(SQLERRM, '')); END; END;
BEGIN DECLARE cursor_name cursor for SELECT * FROM EMP; emp_no EMP.emp_no%type; BEGIN OPEN cursor_name; FETCH cursor_name INTO emp_no; CLOSE cursor_name; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error occurred: ' || SQLERRM); END; END;
BEGIN DECLARE @emp_name VARCHAR(20); emp_salary NUMBER; BEGIN SELECT @emp_name = ename, @emp_salary = sal FROM emp WHERE empno = 7369; DBMS_OUTPUT.PUT_LINE('Employee Name: ' + isnull(@emp_name, '')); DBMS_OUTPUT.PUT_LINE('Employee Salary: ' + isnull(emp_salary, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found'); END END; END; /
BEGIN DECLARE emp_name VARCHAR2(20); emp_salary NUMBER; BEGIN SELECT ename, sal INTO emp_name, emp_salary FROM emp WHERE empno = 7369; DBMS_OUTPUT.PUT_LINE('Employee Name: ' || emp_name); DBMS_OUTPUT.PUT_LINE('Employee Salary: ' || emp_salary); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee not found'); END; END; /
DECLARE @v_emp_id FLOAT; v_salary NUMBER; BEGIN SELECT @v_emp_id = emp_id, @v_salary = salary FROM emp WHERE emp_id = 10; IF v_salary > 5000 BEGIN UPDATE emp SET salary = salary * 1.1 WHERE emp_id = @v_emp_id; END COMMIT; IF @@fetch_status <> 0 BEGIN RAISERROR('-20001 No employee found with that ID.', 16, 1); END END;
DECLARE v_emp_id NUMBER; v_salary NUMBER; BEGIN SELECT emp_id, salary INTO v_emp_id, v_salary FROM emp WHERE emp_id = 10; IF v_salary > 5000 THEN UPDATE emp SET salary = salary * 1.1 WHERE emp_id = v_emp_id; END IF; COMMIT; EXCEPTION WHEN no_data_found THEN RAISE_APPLICATION_ERROR(-20001, 'No employee found with that ID.'); END;
DECLARE @x FLOAT; y NUMBER; BEGIN SELECT @x = a, @y = b FROM table WHERE id = 1; IF @x > y BEGIN DBMS_OUTPUT.PUT_LINE('x is greater than y'); END ELSE IF @x = y BEGIN DBMS_OUTPUT.PUT_LINE('x is equal to y'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('y is greater than x'); END IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No data found'); END END;
DECLARE x NUMBER; y NUMBER; BEGIN SELECT a, b INTO x, y FROM table WHERE id = 1; IF x > y THEN DBMS_OUTPUT.PUT_LINE('x is greater than y'); ELSIF x = y THEN DBMS_OUTPUT.PUT_LINE('x is equal to y'); ELSE DBMS_OUTPUT.PUT_LINE('y is greater than x'); END IF; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No data found'); END;
IF OBJECT_ID('sp_demo', 'P') IS NOT NULL DROP PROCEDURE sp_demo; GO CREATE PROCEDURE sp_demo(@p_input IN AS VARCHAR2) AS BEGIN DECLARE @v_output VARCHAR(100); BEGIN SELECT @v_output = UPPER(p_input); DBMS_OUTPUT.PUT_LINE('Output: ' + isnull(@v_output, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No data found'); END WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred'); END; END;
CREATE OR REPLACE PROCEDURE sp_demo(p_input IN VARCHAR2) AS BEGIN DECLARE v_output VARCHAR2(100); BEGIN SELECT UPPER(p_input) INTO v_output FROM dual; DBMS_OUTPUT.PUT_LINE('Output: ' || v_output); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No data found'); WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred'); END; END;
CREATE PROCEDURE get_customer_orders( @custid IN AS NUMBER, orders OUT SYS_REFCURSOR) IS CURSOR c_orders IS SELECT order_id, order_date, order_total FROM orders WHERE customer_id = custid; BEGIN EXECUTE (@c_orders); END; BEGIN DECLARE @l_custid FLOAT := 12345; l_orders SYS_REFCURSOR; BEGIN dbo.get_customer_orders(@l_custid, l_orders); WHILE 1=1 BEGIN FETCH l_orders INTO @l_order_id, @l_order_date, @l_order_total; IF @@FETCH_STATUS <> 0 BREAK; DBMS_OUTPUT.PUT_LINE('Order ID: ' + isnull(l_order_id, '') + ', Order Date: ' + isnull(l_order_date, '') + ', Order Total: ' + isnull(l_order_total, '')); END; CLOSE l_orders; IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No orders found for customer ' + isnull(@l_custid, '')); END WHEN OTHERS THEN RAISE; END; END;
CREATE PROCEDURE get_customer_orders( custid IN NUMBER, orders OUT SYS_REFCURSOR) IS CURSOR c_orders IS SELECT order_id, order_date, order_total FROM orders WHERE customer_id = custid; BEGIN OPEN orders FOR c_orders; END; BEGIN DECLARE l_custid NUMBER := 12345; l_orders SYS_REFCURSOR; BEGIN get_customer_orders(l_custid, l_orders); LOOP FETCH l_orders INTO l_order_id, l_order_date, l_order_total; EXIT WHEN l_orders%NOTFOUND; DBMS_OUTPUT.PUT_LINE('Order ID: ' || l_order_id || ', Order Date: ' || l_order_date || ', Order Total: ' || l_order_total); END LOOP; CLOSE l_orders; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No orders found for customer ' || l_custid); WHEN OTHERS THEN RAISE; END; END;
BEGIN SELECT @v_count = COUNT(*) FROM emp WHERE deptno = :deptno; IF v_count = 0 BEGIN RAISERROR('-20001 No employees found in department ' + isnull(:deptno, ''), 16, 1); END DECLARE rec CURSOR FOR SELECT * FROM emp WHERE deptno = :deptno; OPEN rec; FETCH rec INTO; WHILE @@FETCH_STATUS=0 BEGIN DBMS_OUTPUT.PUT_LINE(isnull(@rec_ename, '') + ' - ' + isnull(@rec_sal, '')); FETCH rec INTO; END; CLOSE rec; DEALLOCATE rec; END;
BEGIN SELECT COUNT(*) INTO v_count FROM emp WHERE deptno = :deptno; IF v_count = 0 THEN RAISE_APPLICATION_ERROR(-20001, 'No employees found in department ' || :deptno); END IF; FOR rec IN (SELECT * FROM emp WHERE deptno = :deptno) LOOP DBMS_OUTPUT.PUT_LINE(rec.ename || ' - ' || rec.sal); END LOOP; END;
IF OBJECT_ID('employee_data', 'P') IS NOT NULL DROP PROCEDURE employee_data; GO CREATE PROCEDURE employee_data(@p_emp_id IN AS NUMBER) AS BEGIN UPDATE employees SET salary = salary + (salary * 0.1) WHERE employee_id = p_emp_id; COMMIT; END; DECLARE @salary FLOAT; BEGIN SELECT @salary = @salary FROM employees WHERE employee_id = 100; DBMS_OUTPUT.PUT_LINE('Current salary:' + isnull(@salary, '')); dbo.employee_data(100); SELECT @salary = @salary FROM employees WHERE employee_id = 100; DBMS_OUTPUT.PUT_LINE('New salary: ' + isnull(@salary, '')); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(SQLERRM, '')); END; IF OBJECT_ID('get_employee_name', 'FN') IS NOT NULL DROP FUNCTION get_employee_name; GO CREATE FUNCTION get_employee_name(@p_emp_id IN NUMBERDECLARE ) RETURN BEGIN VARCHAR2 RETURN NULL; END; AS BEGIN RETURN (SELECT name FROM employees WHERE employee_id = p_emp_id); END; DECLARE @employee_name VARCHAR(50); BEGIN SET @employee_name = dbo.get_employee_name(100); DBMS_OUTPUT.PUT_LINE('Employee name: ' + isnull(@employee_name, '')); END;
CREATE OR REPLACE PROCEDURE employee_data(p_emp_id IN NUMBER) AS BEGIN UPDATE employees SET salary = salary + (salary * 0.1) WHERE employee_id = p_emp_id; COMMIT; END; DECLARE salary NUMBER; BEGIN SELECT salary INTO salary FROM employees WHERE employee_id = 100; DBMS_OUTPUT.PUT_LINE('Current salary:' || salary); employee_data(100); SELECT salary INTO salary FROM employees WHERE employee_id = 100; DBMS_OUTPUT.PUT_LINE('New salary: ' || salary); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM); END; CREATE OR REPLACE FUNCTION get_employee_name(p_emp_id IN NUMBER) RETURN VARCHAR2 AS BEGIN RETURN (SELECT name FROM employees WHERE employee_id = p_emp_id); END; DECLARE employee_name VARCHAR2(50); BEGIN employee_name := get_employee_name(100); DBMS_OUTPUT.PUT_LINE('Employee name: ' || employee_name); END;
IF OBJECT_ID('generate_report', 'P') IS NOT NULL DROP PROCEDURE generate_report; GO CREATE PROCEDURE generate_report ( @start_date DATE, @end_date DATE ) AS BEGIN SET NOCOUNT ON; DECLARE @result_table SYS_REFCURSOR; BEGIN SELECT * FROM orders WHERE order_date BETWEEN @start_date AND @end_date; EXCEPTION WHEN OTHERS THEN RAISERROR('-20001 Error fetching results', 16, 1); END; RETURN @result_table; END;
CREATE OR REPLACE PROCEDURE generate_report ( start_date DATE, end_date DATE ) AS BEGIN DECLARE result_table SYS_REFCURSOR; BEGIN OPEN result_table FOR SELECT * FROM orders WHERE order_date BETWEEN start_date AND end_date; EXCEPTION WHEN OTHERS THEN RAISE_APPLICATION_ERROR(-20001, 'Error fetching results'); END; RETURN result_table; END generate_report;
DECLARE @v_name VARCHAR(20); v_salary NUMBER; BEGIN SELECT @v_name = name, @v_salary = salary FROM employees WHERE id = 1; IF v_salary > 1000 BEGIN DBMS_OUTPUT.PUT_LINE(isnull(@v_name, '') + ' has a high salary: ' + isnull(v_salary, '')); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE(isnull(@v_name, '') + ' has a low salary: ' + isnull(v_salary, '')); END IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found'); END END; /
DECLARE v_name VARCHAR2(20); v_salary NUMBER; BEGIN SELECT name, salary INTO v_name, v_salary FROM employees WHERE id = 1; IF v_salary > 1000 THEN DBMS_OUTPUT.PUT_LINE(v_name || ' has a high salary: ' || v_salary); ELSE DBMS_OUTPUT.PUT_LINE(v_name || ' has a low salary: ' || v_salary); END IF; EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee not found'); END; /
IF OBJECT_ID('my_procedure', 'P') IS NOT NULL DROP PROCEDURE my_procedure; GO CREATE PROCEDURE my_procedure ( @p_empno IN AS NUMBER ) IS v_bonus NUMBER; BEGIN SELECT @v_bonus = bonus FROM employee WHERE empno = p_empno; IF v_bonus IS NULL BEGIN RAISERROR('-20001 Employee not found', 16, 1); END UPDATE employee SET bonus = v_bonus + 100 WHERE empno = p_empno; COMMIT; END;
CREATE OR REPLACE PROCEDURE my_procedure ( p_empno IN NUMBER ) IS v_bonus NUMBER; BEGIN SELECT bonus INTO v_bonus FROM employee WHERE empno = p_empno; IF v_bonus IS NULL THEN RAISE_APPLICATION_ERROR(-20001, 'Employee not found'); END IF; UPDATE employee SET bonus = v_bonus + 100 WHERE empno = p_empno; COMMIT; END;
IF OBJECT_ID('get_employee_count', 'FN') IS NOT NULL DROP FUNCTION get_employee_count; GO CREATE FUNCTION get_employee_count(@department_id IN NUMBERDECLARE ) RETURN BEGIN NUMBER RETURN NULL; END; IS emp_count NUMBER; BEGIN SELECT @emp_count = COUNT(*) FROM employees WHERE department_id = department_id; RETURN emp_count; IF @@FETCH_STATUS <> 0 BEGIN RETURN -1; 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; EXCEPTION WHEN OTHERS THEN RAISE; END; DECLARE @emp_id FLOAT := 100; new_salary SET @NUMBER = 40000; BEGIN dbo.update_employee_salary(@emp_id, new_salary); COMMIT; END;
CREATE OR REPLACE FUNCTION get_employee_count(department_id IN NUMBER) RETURN NUMBER IS emp_count NUMBER; BEGIN SELECT COUNT(*) INTO emp_count FROM employees WHERE department_id = department_id; RETURN emp_count; EXCEPTION WHEN NO_DATA_FOUND THEN RETURN -1; 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 OTHERS THEN RAISE; END; DECLARE emp_id NUMBER := 100; new_salary NUMBER := 40000; BEGIN update_employee_salary(emp_id, new_salary); COMMIT; END;
DECLARE @num_emp FLOAT := 10; BEGIN DECLARE @i INT = 1 ; WHILE @i <= @num_emp BEGIN IF i = 5 BEGIN EXIT; END DBMS_OUTPUT.PUT_LINE('Employee ' + isnull(i, '') + ' processed.'); END; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred while processing employees.'); END; /
DECLARE num_emp NUMBER := 10; BEGIN FOR i IN 1 .. num_emp LOOP IF i = 5 THEN EXIT; END IF; DBMS_OUTPUT.PUT_LINE('Employee ' || i || ' processed.'); END LOOP; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred while processing employees.'); END; /
BEGIN -- De... SQLINES DEMO *** DECLARE @v_name VARCHAR(30); v_salary ROW_NUMBER(10, 2); BEGIN *** into the employees table INSERT INTO employees (name, salary) VALUES ('John Doe', 10000); *** rted ID SELECT @v_employee_id = employee_id FROM employees ORDER BY employee_id DESC; *** of the new employee UPDATE employees SET salary = 12000 WHERE employee_id = v_employee_id; *** ployee DELETE FROM employees WHERE employee_id = v_employee_id; *** ees with a salary greater than 10000 SELECT * FROM employees WHERE salary > 10000; -- Ra... SQLINES DEMO *** RAISERROR('-20001 An error occurred', 16, 1); EXCEPTION -- Ha... SQLINES DEMO *** WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' + ISNULL(@@ERROR, '')); END; END;
BEGIN -- Declare variables DECLARE v_name VARCHAR2(30); v_salary NUMBER(10, 2); BEGIN -- Insert a new row into the employees table INSERT INTO employees (name, salary) VALUES ('John Doe', 10000); -- Get the last inserted ID SELECT employee_id INTO v_employee_id FROM employees ORDER BY employee_id DESC; -- Update the salary of the new employee UPDATE employees SET salary = 12000 WHERE employee_id = v_employee_id; -- Delete the new employee DELETE FROM employees WHERE employee_id = v_employee_id; -- Select all employees with a salary greater than 10000 SELECT * FROM employees WHERE salary > 10000; -- Raise an error RAISE_APPLICATION_ERROR(-20001, 'An error occurred'); EXCEPTION -- Handle the error WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLCODE); END; END;
CREATE PROCEDURE my_procedure (@in_param IN AS VARCHAR2) AS BEGIN DECLARE @i INT = 1 ; WHILE @i <= 10 BEGIN DBMS_OUTPUT.PUT_LINE(isnull(in_param, '') + ' ' + isnull(i, '')); END; commit; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error: ' + ISNULL(SQLERRM, '')); ROLLBACK; END;
CREATE PROCEDURE my_procedure (in_param IN VARCHAR2) AS BEGIN FOR i IN 1 .. 10 LOOP DBMS_OUTPUT.PUT_LINE(in_param || ' ' || i); END LOOP; commit; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM); ROLLBACK; END;
CREATE TABLE emps ( emp_id INT PRIMARY KEY, name VARCHAR(50) NOT NULL, salary DECIMAL(10,2) NOT NULL ); CREATE SEQUENCE emp_seq START WITH 1000; CREATE PROCEDURE add_emp( @emp_id FLOAT, @name VARCHAR(4000), @salary FLOAT ) AS BEGIN SET NOCOUNT ON; INSERT INTO emps ( name, salary ) VALUES ( @name, @salary ); EXCEPTION WHEN DUP_VAL_ON_INDEX THEN RAISERROR('-20001 Duplicate employee id', 16, 1); END; CREATE FUNCTION get_emp_salary( @emp_id FLOAT ) RETURNS FLOAT AS BEGIN DECLARE @salary DECIMAL(10,2); SELECT @salary = @salary FROM emps WHERE @emp_id = @emp_id; RETURN @salary; IF @@FETCH_STATUS <> 0 BEGIN RAISERROR('-20002 Employee not found', 16, 1); END END; DECLARE @emp_id FLOAT; name dbo.VARCHAR2(50); salary ROW_NUMBER(10,2); BEGIN SET @emp_id = 1001; SET @name = 'John Smith'; SET @salary = 50000; dbo.add_emp(@emp_id, name, salary); SET @emp_id = 1002; SET @name = 'Jane Doe'; SET @salary = 60000; dbo.add_emp(@emp_id, name, salary); END;
CREATE TABLE emps ( emp_id NUMBER(6) PRIMARY KEY, name VARCHAR2(50) NOT NULL, salary NUMBER(10,2) NOT NULL ); CREATE SEQUENCE emp_seq START WITH 1000; CREATE PROCEDURE add_emp( emp_id NUMBER, name VARCHAR2, salary NUMBER ) IS BEGIN INSERT INTO emps ( emp_id, name, salary ) VALUES ( emp_seq.NEXTVAL, name, salary ); EXCEPTION WHEN DUP_VAL_ON_INDEX THEN RAISE_APPLICATION_ERROR(-20001, 'Duplicate employee id'); END; CREATE FUNCTION get_emp_salary( emp_id NUMBER ) RETURN NUMBER IS salary NUMBER(10,2); BEGIN SELECT salary INTO salary FROM emps WHERE emp_id = emp_id; RETURN salary; EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR(-20002, 'Employee not found'); END; DECLARE emp_id NUMBER; name VARCHAR2(50); salary NUMBER(10,2); BEGIN emp_id := 1001; name := 'John Smith'; salary := 50000; add_emp(emp_id, name, salary); emp_id := 1002; name := 'Jane Doe'; salary := 60000; add_emp(emp_id, name, salary); END;
CREATE PROCEDURE get_employee(@emp_id IN AS NUMBER) AS BEGIN SELECT @emp_record = * FROM employees WHERE employee_id = emp_id; IF emp_record.is_null BEGIN RAISERROR('-20000 Employee not found', 16, 1); END RETURN emp_record; END; DECLARE @emp_id := 10; emp_record employee%ROWTYPE; BEGIN dbo.get_employee(@emp_id); DBMS_OUTPUT.PUT_LINE(isnull(emp_record.first_name, '') + ' ' + isnull(emp_record.last_name, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('No employee found with ID ' + isnull(@emp_id, '')); END WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An unexpected error occurred'); END;
CREATE PROCEDURE get_employee(emp_id IN NUMBER) AS BEGIN SELECT * INTO emp_record FROM employees WHERE employee_id = emp_id; IF emp_record.is_null THEN RAISE_APPLICATION_ERROR(-20000, 'Employee not found'); END IF; RETURN emp_record; END; DECLARE emp_id := 10; emp_record employee%ROWTYPE; BEGIN get_employee(emp_id); DBMS_OUTPUT.PUT_LINE(emp_record.first_name || ' ' || emp_record.last_name); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('No employee found with ID ' || emp_id); WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('An unexpected error occurred'); END;
DECLARE @v_empno FLOAT; BEGIN SET @v_empno = 7839; UPDATE employees SET salary = salary * 1.10 WHERE employee_id = @v_empno; IF @@ROWCOUNT > 0 BEGIN COMMIT; END ELSE BEGIN ROLLBACK; END -- Ha... SQLINES DEMO *** EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISERROR('-20001 Error occurred during salary update', 16, 1); END; /
DECLARE v_empno NUMBER; BEGIN v_empno := 7839; UPDATE employees SET salary = salary * 1.10 WHERE employee_id = v_empno; IF SQL%ROWCOUNT > 0 THEN COMMIT; ELSE ROLLBACK; END IF; -- Handle errors here EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE_APPLICATION_ERROR(-20001, 'Error occurred during salary update'); END; /
CREATE PROCEDURE my_proc ( @param1 IN AS NUMBER, param2 IN OUT VARCHAR2 ) AS BEGIN *** iables v_temp NUMBER; *** ocal variable set @v_temp = param1 * 2; *** ter set @param2 = 'Updated value: ' + isnull(v_temp, ''); *** the OUT parameter is too long IF LEN(param2) > 255 BEGIN RAISERROR('-20001 OUT parameter is too long!', 16, 1); END *** ction COMMIT; EXCEPTION WHEN OTHERS THEN *** saction ROLLBACK; -- Lo... SQLINES DEMO *** DBMS_OUTPUT.PUT_LINE('Error: ' + ISNULL(SQLERRM, '')); END my_proc;
CREATE PROCEDURE my_proc ( param1 IN NUMBER, param2 IN OUT VARCHAR2 ) AS BEGIN -- Declare local variables v_temp NUMBER; -- Assign value to local variable v_temp := param1 * 2; -- Update OUT parameter param2 := 'Updated value: ' || v_temp; -- Raise an error if the OUT parameter is too long IF LENGTH(param2) > 255 THEN RAISE_APPLICATION_ERROR(-20001, 'OUT parameter is too long!'); END IF; -- Commit the transaction COMMIT; EXCEPTION WHEN OTHERS THEN -- Rollback the transaction ROLLBACK; -- Log the error DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM); END my_proc;
IF OBJECT_ID('get_employee_salary', 'P') IS NOT NULL DROP PROCEDURE get_employee_salary; GO CREATE PROCEDURE get_employee_salary(@emp_id IN AS NUMBER, OUT salary OUT NUMBER) AS BEGIN SELECT @salary = salary FROM employees WHERE employee_id = emp_id; IF salary IS NULL BEGIN RAISERROR('-20000 Employee not found', 16, 1); END END; BEGIN DECLARE @emp_id FLOAT := 100; salary NUMBER; BEGIN dbo.get_employee_salary(@emp_id, salary); DBMS_OUTPUT.PUT_LINE('Salary: ' + isnull(salary, '')); IF @@FETCH_STATUS <> 0 BEGIN DBMS_OUTPUT.PUT_LINE('Employee not found'); END END; END;
CREATE OR REPLACE PROCEDURE get_employee_salary(emp_id IN NUMBER, OUT salary OUT NUMBER) AS BEGIN SELECT salary INTO salary FROM employees WHERE employee_id = emp_id; IF salary IS NULL THEN RAISE_APPLICATION_ERROR(-20000, 'Employee not found'); END IF; END; BEGIN DECLARE emp_id NUMBER := 100; salary NUMBER; BEGIN get_employee_salary(emp_id, salary); DBMS_OUTPUT.PUT_LINE('Salary: ' || salary); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE('Employee not found'); END; END;
IF OBJECT_ID('random_snippet', 'P') IS NOT NULL DROP PROCEDURE random_snippet; GO CREATE PROCEDURE random_snippet(@x IN AS NUMBER) IS l_avg ROW_NUMBER(10,2); BEGIN SELECT @l_avg = AVG(salary) FROM emp WHERE deptno = x; IF l_avg > 10000 BEGIN UPDATE emp SET salary = salary * 1.10 WHERE deptno = x; END ELSE BEGIN UPDATE emp SET salary = salary * 1.05 WHERE deptno = x; END COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
CREATE OR REPLACE PROCEDURE random_snippet(x IN NUMBER) IS l_avg NUMBER(10,2); BEGIN SELECT AVG(salary) INTO l_avg FROM emp WHERE deptno = x; IF l_avg > 10000 THEN UPDATE emp SET salary = salary * 1.10 WHERE deptno = x; ELSE UPDATE emp SET salary = salary * 1.05 WHERE deptno = x; END IF; COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
DECLARE @v_empno FLOAT; v_salary NUMBER; BEGIN SELECT @v_empno = empno, @v_salary = salary FROM emp WHERE empno = 7839; IF v_salary > 10000 BEGIN RAISERROR('-20001 Salary too high', 16, 1); END UPDATE emp SET salary = salary + 1000 WHERE empno = @v_empno; COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
DECLARE v_empno NUMBER; v_salary NUMBER; BEGIN SELECT empno, salary INTO v_empno, v_salary FROM emp WHERE empno = 7839; IF v_salary > 10000 THEN RAISE_APPLICATION_ERROR(-20001, 'Salary too high'); END IF; UPDATE emp SET salary = salary + 1000 WHERE empno = v_empno; COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; RAISE; END;
DECLARE @TYPE t_test IS TABLE OF NUMBER; l_test SET @t_test = dbo.t_test(); l_salary NUMBER; BEGIN SELECT @l_salary = salary FROM emp WHERE empno = 7369; IF l_salary IS NOT NULL BEGIN SET @l_test = isnull(l_test, '') + isnull(l_salary, ''); END ELSE BEGIN RAISERROR('-20101 Salary not found.', 16, 1); END END;
DECLARE TYPE t_test IS TABLE OF NUMBER; l_test t_test := t_test(); l_salary NUMBER; BEGIN SELECT salary INTO l_salary FROM emp WHERE empno = 7369; IF l_salary IS NOT NULL THEN l_test := l_test || l_salary; ELSE RAISE_APPLICATION_ERROR(-20101, 'Salary not found.'); END IF; END;
BEGIN DECLARE @x FLOAT; BEGIN SELECT @x = COUNT(*); EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error!'); END; IF @x > 0 BEGIN DBMS_OUTPUT.PUT_LINE('Record found'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('No records found'); END END;
BEGIN DECLARE x NUMBER; BEGIN SELECT COUNT(*) INTO x FROM DUAL; EXCEPTION WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Error!'); END; IF x > 0 THEN DBMS_OUTPUT.PUT_LINE('Record found'); ELSE DBMS_OUTPUT.PUT_LINE('No records found'); END IF; END;
CREATE PROCEDURE update_employee_salary( @emp_id IN AS NUMBER, new_salary IN NUMBER) IS salary_updated SET @NUMBER = 0; BEGIN UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; COMMIT; SELECT @salary_updated = COUNT(*) FROM employees WHERE employee_id = emp_id AND salary = new_salary; IF salary_updated = 1 BEGIN DBMS_OUTPUT.PUT_LINE('Salary updated successfully.'); END ELSE BEGIN DBMS_OUTPUT.PUT_LINE('Error updating salary.'); END END;
CREATE PROCEDURE update_employee_salary( emp_id IN NUMBER, new_salary IN NUMBER) IS salary_updated NUMBER := 0; BEGIN UPDATE employees SET salary = new_salary WHERE employee_id = emp_id; COMMIT; SELECT COUNT(*) INTO salary_updated FROM employees WHERE employee_id = emp_id AND salary = new_salary; IF salary_updated = 1 THEN DBMS_OUTPUT.PUT_LINE('Salary updated successfully.'); ELSE DBMS_OUTPUT.PUT_LINE('Error updating salary.'); END IF; END;