单项选择题Managementhasdecidedthatthedatabasemustbeavailable24hoursaday,7daysaweek.Giventhisrequirement,whichtypeofbackupisrequired?()
单项选择题OnswitchR1youissuethe udldenable globalcommand.Whatdoesthiscommandaccomplish?()
单项选择题Whiledesigningyourdatabase,youhavecreatedtheEMPLOYEEStableasanindex-organizedtable(IOT).YouwanttocreateabitmapindexontheJOB_IDcolumntomakequeriesfaster.Whichtaskmusthavebeencompletedsothatyouareabletocreatethebitmapindex?()A.Aprimarykeymusthavebeencreated.B.Amappingtablemusthavebeencreated.C.Anoverflowtablespacemusthavebeenspecified.D.ThePCTTHRESHOLDoptionmusthavebeenspecified.
单项选择题Whatistheimpactoftheresultsoftheoutputofthefollowingcommand?()RMAN>reportunrecoverabledatabase;ReportoffilesthatneedbackupduetounrecoverableoperationsFileTypeofBackupRequiredName4fullorincrementalC: ORACLE ORADATA ORCL USERS01.DBFA.Therearenobackupsetswithanybackupsoftheusers01.dbfdatafile.B.Theusers01.dbfdatafilehashadunrecoverableoperationsoccurinit.Itwillneedtobebackeduporsomedatalossispossibleduringarecovery.C.Theusers01.dbfdatafileiscorrupted.D.Theusers01.dbfdatafilebackupexceedstheretentioncriteria.E.Thelastbackupoftheusers01.dbfdatafilefailedandmustbererun.
单项选择题WhichofthefollowingisaprerequisiteforrunningDBMS_TDB.CHECK_DBtoasuccessfulcompletion?()