单项选择题

WhichofthefollowingoperationsdoesnotrequireOracletostoreinformationinanUNDOsegmentsaspartofthetransaction?（）

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

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YouaredesigningtheActiveDirectorysitetopologytomeetthebusinessandtechnicalrequirements.Whichsiteorsiteswillrequireuniversalgroupmembershipcaching？（）

A.NewYork
B.Montreal
C.Quebec
D.SanFrancisco
E.Seattle
F.Vancouver

单项选择题

Examinethecommand：ALTERDATABASEADDSUPPLEMENTALLOGDATA（PRIMARYKEY）COLUMNS；Whatdoesthecommandaccomplish？（）

A.Createsanadditionalcopyofthedatabaseonlineredologfiles.
B.StorestheprimarykeycolumnvaluesofeachrowinvolvedinaDMLoperationintheonlineredologfiles.
C.StorestheprimarykeycolumnvaluesofeachrowinvolvedinaDMLoperationinthesupplementallogfiles.
D.StorestheoldandnewprimarykeycolumnvaluesofeachrowinvolvedinaDMLoperationonlywhentheprimarykeyismodifiedintheonlineredologfiles.