Oracle案例详细分析：Job任务停止执行

SunOS DB 5.8 Generic_108528-21 sun4u sparc SUNW,Ultra-4 
Oracle9i Enterprise Edition Release 9.2.0.3.0 - Production

$ sqlplus "/ as sysdba" 
SQL*Plus: Release 9.2.0.3.0 - Production on Wed Nov 17 20:23:53 2004 
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved. 
Connected to: 
Oracle9i Enterprise Edition Release 9.2.0.3.0 - Production 
With the Partitioning, OLAP and Oracle Data Mining options 
JServer Release 9.2.0.3.0 - Production 
SQL> select job,last_date,last_sec,next_date,next_sec,broken,failures from 
dba_jobs; 
JOB LAST_DATE LAST_SEC NEXT_DATE NEXT_SEC B FAILURES 
INTERVAL 
---------- --------- ---------------- --------- ---------------- - ---------- 
---------------------------- 
31 16-NOV-04 01:00:02 17-NOV-04 01:00:00 N 0 
trunc(sysdate+1)+1/24 
27 16-NOV-04 00:00:04 17-NOV-04 00:00:00 N 0 
TRUNC(SYSDATE) + 1 
35 16-NOV-04 01:00:02 17-NOV-04 01:00:00 N 0 
trunc(sysdate+1)+1/24 
29 16-NOV-04 00:00:04 17-NOV-04 00:00:00 N 0 
TRUNC(SYSDATE) + 1 
30 01-NOV-04 06:00:01 01-DEC-04 06:00:00 N 0 
trunc(add_months(sysdate,1),’MM’)+6/24 
65 16-NOV-04 04:00:03 17-NOV-04 04:00:00 N 0 
trunc(sysdate+1)+4/24 
46 16-NOV-04 02:14:27 17-NOV-04 02:14:27 N 0 
sysdate+1 
66 16-NOV-04 03:00:02 17-NOV-04 18:14:49 N 0 
trunc(sysdate+1)+3/24 
8 rows selected