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YouaremaintainingyourOLTPdatabaseinOracle10g.YouareperformingtheFlashbackTransactionQuerytofindtheundoSQLstatementsthatcanbeusedtoundothechangesmadetothedatabaseinthespecifictimeperiod.WhichpseudocolumnwillyouusetoperformtheFlashbackTransactionQuery?()
A.VERSIONS_STARTSCN
B.VERSIONS_STARTTIME
C.VERSIONS_XID
D.VERSIONS_OPERATION
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更多 “ YouaremaintainingyourOLTPdatabaseinOracle10g.YouareperformingtheFlashbackTransactionQuerytofindtheundoSQLstatementsthatcanbeusedtoundothechangesmadetothedatabaseinthespecifictimeperiod.WhichpseudocolumnwillyouusetoperformtheFlashbackTransactionQuery?()A.VERSIONS_STARTSCNB.VERSIONS_STARTTIMEC.VERSIONS_XIDD.VERSIONS_OPERATION ” 相关考题
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