题目内容

WhilecreatingaschedulerwindowusingtheDBMS_SCHEDULERpackage,auserloggedinasDBMGRgetstheerrormessageinsufficientprivileges?Whichtwocommandswouldyouusetoresolvethiserror?()

A. GRANTdbaTOdbmgr;
B. GRANTconnectTOdbmgr;
C. GRANTresourceTOdbmgr;
D. GRANThs_admin_roleTOdmbgr;
E. GRANTmanageschedulerTOdbmgr;

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YourdatabaseisintheNOARCHIVELOGmode.Sincelastnight’sofflinebackup,thelogsingroup1havebeenwrittentotwice.Thismorning,theSYSTEMdatafilehasbecomecorrupted.Uptowhatpointcanitberecovered?()

A. untilthelastcommit
B. cannotberecovered
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