oracle 里面定时执行任务设置

 DECLARE
    job_no_ NUMBER;   
 BEGIN   
    DBMS_JOB.SUBMIT(job_no_,
                    'proc_qszx_dw_sc(''040100'');',             -- 一般会将 insert into 语句写到一个存储过程insert_Prod中
            sysdate,
                    'TRUNC(sysdate)+1+2/24');     -- 2/24 每天凌晨2点
    COMMIT;
 END;

 select 
 job,last_date,last_sec,next_sec,total_time,interval,what
 from user_jobs

     DBMS_JOB.SUBMIT(:jobno,//job号   
                                     'your_procedure;',//要执行的过程   
                                     trunc(sysdate)+1/24,//下次执行时间   
                                     'trunc(sysdate)+1/24+1'//每次间隔时间   
                                   );   
     删除job:dbms_job.remove(jobno);   
     修改要执行的操作:job:dbms_job.what(jobno,what);   
     修改下次执行时间：dbms_job.next_date(job,next_date);   
     修改间隔时间：dbms_job.interval(job,interval);   
     停止job:dbms.broken(job,broken,nextdate);   
     启动job:dbms_job.run(jobno);   

declare   
                jobid     number;   
                v_sql     varchar2(2000);   
    begin   
                v_sql:='begin   
                                      if     to_char(sysdate,''HH24:MI'')=''15:30''     then   -- 15:30执行
                                            insert     into     rjck.rkjl(cksj)     select     cksj     from     wzcs.ckjl;   
                                            dbms_output.put_line(''inserted     success'');   
                                      end     if;   
                                      commit;   
                                exception   
                                      when     others     then   
                                      rollback;   
                                      dbms_output.put_line(SQLERRM);   
                                end;   
                              ';   
                dbms_job.submit(jobid,v_sql,sysdate,'sysdate+1/1440');                   
                dbms_job.run(jobid);                   
                dbms_output.put_line('job     '||to_char(jobid)||'     is     running');    
end; 

begin
   dbms_job.what('405','day_dw_sc_for_gsdm(''040100'');');   
 --dbms_job.remove('404');   
   /* job_no_ NUMBER;   
 BEGIN   
    DBMS_JOB.SUBMIT(job_no_,
                    'proc_qszx_dw_sc(''040100'');',      -- 一般会将 insert into 语句写到一个存储过程insert_Prod中
            sysdate,
                    'TRUNC(sysdate)+1+6/24');     -- 2/24 每天凌晨2点
    COMMIT;*/
 END;