a.创建job: dbms_job.submit(jobno,what,next_date,interval);b.删除job: dbms_job.remove(jobno); c.修改要执行的操作: job:dbms_job.what(jobno, what); d.修改下次执行时间:dbms_job.next_date(jobno, next_date); e.修改间隔时间:dbms_job.interval(jobno, interval);f.启动job: dbms_job.run(jo…