单项选择题

YoudiscoverthattheschemachangesthatwererecentlymadetoyourSQLServer2005databasehavecausedyourWebsitetostopfunctioning.Itisunclearwhomadethechanges.TestKing.comnowmandatesthatallchangestothedatabaseschemabetracked.Youneedtoimplementamechanismthatwilltrackschemachangesinyourdatabase.Whatshouldyoudo？（）
A.Implementastoredprocedurethatwritesdataaboutschemachangestoalogtable.
B.ImplementDDLAFTERtriggersthatwriteuserandschemainformationtoalogtable.
C.ImplementaDMLINSTEADOFtriggerthatwritesdataaboutschemachangestoalogtable.
D.ImplementaDMLAFTERtriggerthatwritesdataaboutschemachangestoalogtable.

A.Itisunclearwhomadethechanges.TestKing.comnowmandatesthatallchangestothedatabaseschemabetracked.Youneedtoimplementamechanismthatwilltrackschemachangesinyourdatabase.Whatshouldyoudo？（）
A.Implementastoredprocedurethatwritesdataaboutschemachangestoalogtable.
B.ImplementDDLAFTERtriggersthatwriteuserandschemainformationtoalogtable.
C.ImplementaDMLINSTEADOFtriggerthatwritesdataaboutschemachangestoalogtable.
D.ImplementaDMLAFTERtriggerthatwritesdataaboutschemachangestoalogtable.

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