文档解释ORA-30930:NOCYCLEkeywordisrequiredwithCONNECT_BY_ISCYCLEpseudocolumnCause:CONNECT_BY_ISCYCLEwasspecifedinaquerywhichdoesnothavetheNOCYCLEkeyword.Action:Remo...

文档解释ORA-00976:Specifiedpseudocolumnoroperatornotallowedhere.Cause:LEVEL,PRIOR,ROWNUM,CONNECT_BY_ROOT,CONNECT_BY_ISLEAForCONNECT_BY_ISCYCLEwasspecifiedatanillega...