单项选择题
A. 20% SGA 80% PGA
B. 25% SGA 75% PGA
C. 50% SGA 50% PGA
D. 75% SGA 25% PGA
E. 80% SGA 20% PGA
多项选择题 InaDatabaseReplayworkloadcapture，whatclientrequestinformationisgathered？（）
单项选择题 Adevelopercallsandreportsthatheaccidentallydroppedanimportantlookuptablefromaproductiondatabase.Heneedsthetabletoberecovered.Whatactionwouldyoutake？（）
单项选择题 Auserperformsanupdateonatable.Shortlyaftercommittingthetransaction，theyrealizethattheyhadanerrorintheirWHEREclausecausingthewrongrowstobeupdated.WhichFlashbackoptionwouldallowyoutoundothistransactionandrestorethetabletoitspreviousstate？（）