LogMiner的两个PL/SQL包1、dbms_logmnr_d包，这个包只包括一个用于提取数据字典信息的过程，即dbms_logmnr_d.build()过程。2、dbms_logmnr包，它有如下三个过程：add_logfile(namevarchar2,optionsnumber)-用来添加/删除用于分析的日志...

文档解释ORA-12154:TNS:couldnotresolvetheconnectidentifierspecifiedCause:Aconnectiontoadatabaseorotherservicewasrequestedusingaconnectidentifier,andtheconnectidentif...

文档解释ORA-12571:TNS:packetwriterfailureCause:Anerroroccurredduringadatasend.Action:Notnormallyvisibletotheuser.Forfurtherdetails,turnontracingandreexecutetheopera...

createundotablespaceundotbs2datafile'/u02/oradata/orcl/undotbs2.dbf'size1000mautoextendonmaxsize1000M;altersystemsetundo_tablespace=undotbs2  ...