| Emp_no | Emp_name | Emp_salary |
| 001 | Jacky | 5000 |
| 002 | Rose | 6000 |
| 003 | John | 7000 |
| select * from emp_table; |
| Emp_no Emp_name Emp_salary 002 Rose 6000 003 John 7000 |
| Emp_no Emp_name Emp_salary 001 Jacky 5000 002 Rose 6000 003 John 7000 |
| create table emp_table_bk as select * from emp_table; |
| create or replace procedure salary_upt(v_emp_no varchar2,v_salary number) as begin update emp_table set emp_salary=v_salary where emp_no=v_emp_no; commit; end ; / |
| Variable v_jobNum number; Begin Dbms_job.submit(:v_jobNum,'salary_upt',sysdate,'sysdate+30'); Commit; End; / |
| dbms_job.remove(:v_jobNum); |
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