Oracle stored procedure with parameters

a need

For the designated employees, increase the salary of 100 yuan; and print the salary before and after the increase.

 

two code

1. --带参数存储过程：给指定的员工涨100，并且打印涨前和涨后的薪水
2. /*
3. 如何调用：
4. begin
5. raisesalay(7839);
6. raisesalay(7566);
7. commit;
8. end;
9. /
10. */
11. create or replace procedure raisesalay(eno in number)
12. as
13. --定义一个变量保存涨前的薪水
14. psal emp.sal%type;
15. begin
16. select sal into psal from emp where empno=eno;
18. update emp set sal=sal+100where empno=eno;
19. --需不需要commit？
20. --注意：一般不在存储过程或存储函数中提交和回滚，由调用者来进行提交或回滚
21. dbms_output.put_line('涨前：'||psal||'涨后：'||(psal+100));
22. end;
23. /

 

Three calls to the stored procedure

SQL> begin

  2   raisesalay(7839);

  3   raisesalay(7566);

  4   commit;

  5  end;

  6  /

Before rising: 10000 After rising: 10100

Before the rise: 6975 After the rise: 7075

 

PL/SQL procedure completed successfully.