oracle错误集合

调优

ORA-04031      则表明共享池不够用

ORA-01555      snapshot   too  old ( 快照太旧 )    !!!    undo 表空间太小

ORA-30036:     unable to extend segment by 8 in undo tablespace 'UNDO_SMALL'

ORA-02082:     a loopback database link must have a connection qualifier

ORA-23375:     feature is incompatible with database version at PROD1.TEST.COM.CN