oracle asynchronous procedure

1-- To call a procedure asynchronously, create a auto_drop job:
2BEGIN
3    DBMS_SCHEDULER.create_job(
4            job_name => 'My_JOB_NAME',
5            job_type => 'PLSQL_BLOCK',
6            job_action => 'BEGIN my_procedure(); END;',
7            start_date => systimestamp,
8            auto_drop => TRUE,
9            enabled => TRUE
10        );
11END;