RMAN backups in Max Performance/Max Availability Data Guard Environment [ID 331924.1] Modified 28-DEC-2010 Type BULLETIN Status PUBLISHED In this Document Purpose Scope and Application RMAN backups in Max Performance/Max Availability Data
昨天一位鐵哥們通過QQ找我幫忙,問下面這個SQL能否最佳化SQL> set timing onSQL> set autotrace onSQL> select count(*) rowcount_lhy 2 from swgl_ddjbxx t 3 where t.fzgs_dm = '001085' 4 and (t.lrr_dm = 'e90e3fe4237c4af988477329c7f2059e' or exists 5
先來建立一個表Tcreate table t as select level as id ,level||'a' as a,level||level||'b' as b from dual connect by level<100;這裡A列的值能夠確定B列的值,insert into t select * from t; .............................. 一直重複插入資料SQL> select count(*) from t; COUNT(*)--
Advise On How To Improve Rman Performance [ID 579158.1] Modified 17-FEB-2011 Type HOWTO Status PUBLISHED In this Document Goal Solution ReferencesApplies to: Oracle Server - Enterprise Edition - Version: 9.2.0.1 to 10.2.0.1 - Release: 9.2
javascript:(function (){var ol = document.getElementById('rso');var len = ol.childNodes.length;for(var i=0;i<5;i++){var li = ol.childNodes[i];if(li.nodeName!='LI') continue;var div = li.childNodes[0];var h3 = div.childNodes[4];var a =
The territory Struggled with the issue of slavery is the most difficult national problem that President Franklin faced……Then they won a mojority of seats in the territorial legislature.An investigation found that….voted illegally.Yet the results