发布时间:2014-05-06 17:19:08
select SAMPLE_TIME from GV_$ACTIVE_SESSION_HISTORY where rownum<2;SAMPLE_TIME---------------------------------------------------------------------------06-MAY-14 05.17.14.651 PMselect SAMPLE_TIME+0 from GV_$ACTIVE_SESSION_HISTORY where rownum<2;SAMPLE_TIME+0-------------------2014-05-06 1.........【阅读全文】
发布时间:2014-04-09 11:07:29
grid control的agent出现大面积异常停止现场。 经查看agent_inst/sysman/log/gcagent.log. 发现类似日志2014-04-09 09:38:47,395 [778:1396893D:GC.Executor.79 (host:xxxxxxx:LogFileMonitoringLinux) (host:xxxxx:LogFileMonitoringLinux:LogFileMonitoring)] WARN - Found a row with more columns than .........【阅读全文】
发布时间:2014-04-01 17:18:40
SQL调优工具包DBMS_SQLTUNE的使用方法oracle 提供了优化建议功能包DBMS_SQLTUNE,该包可以帮助我们分析SQL,并提供优化建议。原有执行计划alter session set statistics_level=all;set serveroutput offselect * from test.emp where ename='SCOTT' and DEPTNO=20;SELECT * FROM table(dbms_xplan.display_cursor(.........【阅读全文】
发布时间:2014-04-01 11:47:13
OGG soruce端异常宕机恢复后,无法启动ogg的pump进程。@SOURCEGGSCI (c1db0106) 1> info allProgram Status Group Lag Time Since ChkptMANAGER RUNNING  .........【阅读全文】
发布时间:2014-03-31 17:35:28
DataGuard主备之间可能由于网络等原因,造成备库和主库之间的归档日志不一致,这样就产生了gap。解决gap的步骤:1.在备库获得gap的详细信息2.将需要的归档日志从主库拷贝到备库3.备库将归档日志注册,然后应用。 --备库alert日志提示gap详情 Media Recovery Waiting for thread 1 sequence 7057Fetching.........【阅读全文】