Lastnight，amediafailurecausedthelossofatemporaryfilethatbelongstoyourdatabase.Whichtwothingsmayhappenthismorningwhenyoutrytoopenyourdatabase？（）

A.Thedatabaseopensnormally.
B.Thedatabasepromptsforadatabaserecovery.
C.Thedatabasewriterwritestoatracefile，indicatingthatthetemporaryfileisnotfound.
D.Thedatabasegetsmountedandthrowsanerrorindicatingthatthetemporaryfilerequiresrecovery.

【参考答案】

A, C