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

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