单项选择题
Which command do you use to generate a report of database incarnations？（）
A. list incarnation of database B. report incarnation of database C. list database incarnation D. database incarnation list E. report database incarnation
单项选择题 InwhatstatearethedatafilesofatablespaceafteraTSPITRhasbeensuccessfullycompleted？（）
单项选择题 WhyshouldyoubackupaduplicatedtablespaceafteraTSPITRiscomplete？（）
单项选择题 WhichofthefollowingidentifiesandcreatesanindextominimizetheDBtimeforaparticularSQLstatement？（）
