Add scheduled tasks in oracle

SQL code
-- Submit
Select * from reportnobenefit;
Variable job1 number;
Begin
Dbms_job.submit (: job1, 'pkg _ JOBS. CALC_NOBENEFIT; ', sysdate, 'trunc (last_day (sysdate) + 100 ');
End;
 
-- Run
Begin
Dbms_job.execute (222 );
Commit;
End;
 
-- Remove
Variable job1 number;
Begin
Dbms_jobb.remove (281 );
Commit;
End;
 
Select * from user_jobs; -- view the scheduling task
Select * from dba_jobs_running; -- view the ongoing scheduling task
Select * from dba_jobs; -- view the completed scheduling task

Author "thinking"