单项选择题
A.DBMS_STATS
B.DBMS_ALERT
C.DBMS_SPACE
D.DBMS_MONITOR
E.DBMS_SERVER_ALERT
F.DBMS_SPACE_ADMIN
多项选择题 Youneedtoensurethatthedatabaseusersshouldbeabletousethevariousflashbackqueryfeaturesinordertogobackintimebyfourhours.Whatwouldyoudotoachievethis?（）
多项选择题 WhichtwostatementsregardingthePolicyFrameworkinEnterpriseManager(EM)arecorrect?（）
单项选择题 Youhavethreeproductiondatabases,HRDB,FINDB,andORGDB,thatusethesameASMinstance.Attheendoftheday,youexecutethefollowingcommandontheASMinstancetoshutdown:SQL>shutdownimmediate;Whatistheresultofexecutingthiscommand?（）