Decrease salary with user procedure

    
SQL> CREATE TABLE EMP(
  2      EMPNO NUMBER(4) NOT NULL,
  3      ENAME VARCHAR2(10),
  4      JOB VARCHAR2(9),
  5      MGR NUMBER(4),
  6      HIREDATE DATE,
  7      SAL NUMBER(7, 2),
  8      COMM NUMBER(7, 2),
  9      DEPTNO NUMBER(2)
 10  );

Table created.



SQL> INSERT INTO EMP VALUES(2, 'Jack', 'Tester', 6,TO_DATE('20-FEB-1981', 'DD-MON-YYYY'), 1600, 300, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(3, 'Wil', 'Tester', 6,TO_DATE('22-FEB-1981', 'DD-MON-YYYY'), 1250, 500, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(4, 'Jane', 'Designer', 9,TO_DATE('2-APR-1981', 'DD-MON-YYYY'), 2975, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES(5, 'Mary', 'Tester', 6,TO_DATE('28-SEP-1981', 'DD-MON-YYYY'), 1250, 1400, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(7, 'Chris', 'Designer', 9,TO_DATE('9-JUN-1981', 'DD-MON-YYYY'), 2450, NULL, 10);

1 row created.

SQL> INSERT INTO EMP VALUES(8, 'Smart', 'Helper', 4,TO_DATE('09-DEC-1982', 'DD-MON-YYYY'), 3000, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES(9, 'Peter', 'Manager', NULL,TO_DATE('17-NOV-1981', 'DD-MON-YYYY'), 5000, NULL, 10);

1 row created.

SQL> INSERT INTO EMP VALUES(10, 'Take', 'Tester', 6,TO_DATE('8-SEP-1981', 'DD-MON-YYYY'), 1500, 0, 30);

1 row created.



SQL>
SQL> select * from emp;
Enter...

     2 Jack       Tester         6 20-02-1981   1600    300     30
     3 Wil        Tester         6 22-02-1981   1250    500     30
     4 Jane       Designer       9 02-04-1981   2975  [N/A]     20
     5 Mary       Tester         6 28-09-1981   1250   1400     30
     7 Chris      Designer       9 09-06-1981   2450  [N/A]     10
     8 Smart      Helper         4 09-12-1982   3000  [N/A]     20
     9 Peter      Manager    [N/A] 17-11-1981   5000  [N/A]     10
    10 Take       Tester         6 08-09-1981   1500      0     30
    13 Fake       Helper         4 03-12-1981   3000  [N/A]     20

9 rows selected.

SQL> create or replace
  2   procedure UPDATE_EMP(p_empno number, p_decrease number) is
  3   begin
  4   update EMP
  5   set SAL = SAL / p_decrease
  6   where empno = p_empno;
  7  end;
  8  /

Procedure created.

SQL> exec UPDATE_EMP(1,2);

PL/SQL procedure successfully completed.

SQL> exec UPDATE_EMP(1,0);

PL/SQL procedure successfully completed.

SQL>
SQL> select * from emp;
Enter...

     2 Jack       Tester         6 20-02-1981   1600    300     30
     3 Wil        Tester         6 22-02-1981   1250    500     30
     4 Jane       Designer       9 02-04-1981   2975  [N/A]     20
     5 Mary       Tester         6 28-09-1981   1250   1400     30
     7 Chris      Designer       9 09-06-1981   2450  [N/A]     10
     8 Smart      Helper         4 09-12-1982   3000  [N/A]     20
     9 Peter      Manager    [N/A] 17-11-1981   5000  [N/A]     10
    10 Take       Tester         6 08-09-1981   1500      0     30
    13 Fake       Helper         4 03-12-1981   3000  [N/A]     20

9 rows selected.

SQL> drop table emp;

Table dropped.

Related examples in the same category

1.	UPDATE statement can be used within PL/SQL programs to update a row or a set of rows
2.	Select for update
3.	Check row count being updating
4.	Update with variable
5.	Two UPDATE statements.
6.	Check SQL%ROWCOUNT after updating
7.	Exception handling for update statement
8.	Update salary with stored procedure
9.	Update table and return if success
10.	Change price and output the result
11.	Run an anonymous block that updates the number of book IN STOCK
12.	Run an anonymous block that updates the number of pages for this book
13.	Run the anonymous block to update the position column
14.	Ajust price based on price range
15.	Bundle several update and insert statements into one procedure
16.	Use procedure to update table

Decrease salary with user procedure : Update Data « PL SQL « Oracle PL / SQL

Related examples in the same category