赞题库-背景图
单项选择题

YouareanalyzinghowOracleprocessesuserstatements.SQLandPL／SQLparseinformationisstoredinwhichofthefollowingdatabasememoryareas?（）

A.Librarycache
B.Rowcache
C.Dictionarycache
D.Largearea
E.Buffercache
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热门试题

单项选择题ConsiderthisRMANcommand：RMAN>CONFIGURERETENTIONPOLICYCLEAR；Whatistheeffectofthiscommand？（）

A.Backupswillneverexpire.
B.Itremovesanyretentionpolicy.
C.TheDELETEOBSOLETEcommandwillfailwithanerror.
D.ItsetstheretentionpolicytothedefaultofREDUNDANCY1.

单项选择题WhichofthefollowingoperationsdoesnotrequireOracletostoreinformationinanUNDOsegmentsaspartofthetransaction?（）

A.INSERT
B.SELECT
C.UPDATE
D.DELETE