多项选择题
A. SQL text
B. Shared server requests （Oracle MTS）
C. Bind variable values
D. Information about transactions
E. Remote DESCRIBE and COMMIT operations
单项选择题 Adevelopercallsandreportsthatheaccidentallydroppedanimportantlookuptablefromaproductiondatabase.Heneedsthetabletoberecovered.Whatactionwouldyoutake？（）
单项选择题 Auserperformsanupdateonatable.Shortlyaftercommittingthetransaction，theyrealizethattheyhadanerrorintheirWHEREclausecausingthewrongrowstobeupdated.WhichFlashbackoptionwouldallowyoutoundothistransactionandrestorethetabletoitspreviousstate？（）
单项选择题 WhatRMANcommandisusedtoexecuteatablespacepoint-in-timerecovery？（）