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Oracle Job ²»Ö´ÐÐ

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2008-11-11 19:48
ÎÒÃÇÓõÄÉú²ú»·¾³JobÊÇ¿ÉÒÔÕý³£Ö´ÐеÄ,µ«ÊÇÔÚ²âÊÔ»·¾³ÊDz»¿ÉÒÔÖ´ÐеÄ
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SQL> show parameter job
NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
job_queue_processes                  integer     0
job_queue_processes Õâ¸ö²ÎÊýÉèÖóÉÁË0,¿ÉÒÔͨ¹ýÓï¾ä
ALTER SYSTEM SET JOB_QUEUE_PROCESSES = 10
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ת×Ô:http://www.eygle.com/archives/2004/11/job_can_not_execute_auto.html
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SunOS DB 5.8 Generic_108528-21 sun4u sparc SUNW,Ultra-4
Oracle9i Enterprise Edition Release 9.2.0.3.0 - Production
1.Ê×ÏȽéÈë¼ì²éÊý¾Ý¿âÈÎÎñ
$ 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


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9.2.0.4  = 3095277
9.2.0.5  = 3501955
9.2.0.6  = 3948480
9.2.0.7  = 4163445
9.2.0.8  = 4547809£¨9i×îÖÕ£©
10.1.0.3 = 3761843
10.1.0.4 = 4163362
10.1.0.5 = 4505133
10.2.0.2 = 4547817
10.2.0.3 = 5337014
10.2.0.4 = 6810189
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oracle cast() º¯ÊýÎÊÌâ

oracle cast() º¯ÊýÎÊÌâ
SQL> create table t1(a varchar(10));
Table created.
SQL> insert into t1 values ('12.3456');
1 row created.
SQL> select round(a) from t1;
  ROUND(A)
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        12
SQL> select round(a,3) from t1;
ROUND(A,3)
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Oracle Logminer

LogminerÊÇoracle´Ó8i¿ªÊ¼ÌṩµÄÓÃÓÚ·ÖÎöÖØ×öÈÕÖ¾ÐÅÏ¢µÄ¹¤¾ß£¬Ëü°üÀ¨DBMS_LOGMNRºÍDBMS_LOGMNR_DÁ½¸öpackage£¬ºó±ßµÄDÊÇ×ÖµäµÄÒâ˼¡£Ëü¼ÈÄÜ·ÖÎöredo log file£¬Ò²ÄÜ·ÖÎö¹éµµºóµÄarchive log file¡£ÔÚ·ÖÎöÈÕÖ¾µÄ¹ý³ÌÖÐÐèҪʹÓÃÊý¾Ý×ֵ䣬һ°ãÏÈÉú³ÉÊý¾Ý×ÖµäÎļþºóʹÓã¬10gÒÔºóµÄ°æ±¾»¹¿ÉÒÔʹÓÃÔÚÏßÊý¾Ý×ֵ䡣
Logminer¿ÉÒÔ ......

OracleÊý¾Ý¿âÃÜÂëÎļþÖÐÔö¼Ó¡¢É¾³ýÓû§£º

µ±³õʼ»¯²ÎÊýREMOTE_LOGIN_PASSWORDFILEÉèÖÃΪEXCLUSIVEʱ£¬ÏµÍ³ÔÊÐí³ýINTERNAL/SYSÒÔÍâµÄÆäËûÓû§ÒÔ¹ÜÀíÔ±Éí·Ý´ÓÔ¶¶Ë»ò±¾»úµÇ¼µ½OracleÊý¾Ý¿âϵͳ£¬Ö´ÐÐÊý¾Ý¿â¹ÜÀí¹¤×÷;ÕâЩÓû§Ãû±ØÐë´æÔÚÓÚÃÜÂëÎļþÖУ¬ÏµÍ³²ÅÄÜʶ±ðËûÃÇ¡£ÓÉÓÚ²»¹ÜÊÇÔÚ´´½¨Êý¾Ý¿âʵÀýʱ×Ô¶¯´´½¨µÄÃÜÂëÎļþ£¬»¹ÊÇʹÓù¤¾ßORAPWD.EXEÊÖ¹¤´´½¨µÄÃÜÂëÎļþ£¬¶ ......

oracle Êý¾Ý¿â´´½¨DBLink Óï·¨

-- Drop existing database link drop database link DL_name
-- Create database link create database link DL_name connect to username identified by userpwd using '(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=ipaddress)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=service_name)))'; ......
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