You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference.Which method or feature should you use?() A. Compare Period ADDM reportB. AWR Compare Period reportC. Active Session History (ASH) reportD. Taking a new snapshot and comparing it with a preserved snapshot
You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference.Which method or feature should you use?()
A. Compare Period ADDM report
B. AWR Compare Period report
C. Active Session History (ASH) report
D. Taking a new snapshot and comparing it with a preserved snapshot
相关考题：
I'mnotsureaboutthemeaningoftheword.You'dbetterlookitupina____．A．letterB．dictionaryC．postcardD．notice
A: Have you seen my camera? I can't find it.B: Just now I have seen it. You_____ have put it in the bag.A. mustB. wouldC. should
Merry Christmas, George! Here is a card for ________, with ________ best withes. A.you…yourB.you…ourC.us…ourD.us…your
YouareaDatabaseAdministratorwithWonderWeb.You&en YouareaDatabaseAdministratorwithWonderWeb.YouuseapasswordfiletoestablishconnectionstotheSalesdatabaselocatedontheserver.Youcreatedthepasswordfileusingthefollowingcommand：ORAPWDfile=d：\oracle\ora9i\orapwU01password=adminentries=4Youerroneouslydeletedthepasswordfilewhilethedatabasewasrunning.Youre-createthepasswordfileusingthefollowingcommand：ORAPWDfile=d：\oracle\ora9i\orapwU01password=change_on_installentries=4However，whenyoutrytoconnectastheSYSuser，youreceivethefollowingerror：ORA-01031：insufficientprivilegesWhatshouldyoudotoresolvethiserror？（）
（ ） – Is Miss White __________ English teacher, Maria?– No, she teaches __________ geography.A．your；myB．you；mineC．you；usD．your；us
你最好控制一下上网聊天的时间。（汉译英）A．You'd better set a limit for your online chat time.B．You'd better set a limit on your online chat time.C．You'd better set a limit on your online chatting time.D．You'd better set a limit for your online chatting time.