A.Onstartup，SMONcoordinatesinstancerecovery.
B.Onstartup，CKPTcoordinatesinstancerecovery.
C.Onstartup，useRMANtoperforminstancerecovery.
D.Uncommittedchangeswillberolledbackafterthedatabaseisopened.
E.Onstartup，performmediarecoveryandtheninstancerecovery.
F.Onstartup，allthefileswillbesynchronizedandyougetbothcommittedanduncommitteddata.
正确答案：参考A, D
