单项选择题 YouworkasadatabaseadministratorforCertkiller.com.Accordingtoyourbackupstrategy,youperformedanincrementallevel0backupofyourdatabase.Whichstatementregardingthisbackupistrue?()
单项选择题 You work as a database administrator for Certkiller .com. You need to rename a data file of atablespace. How would you perform this?()
多项选择题 YouworkasadatabaseadministratorforCertkiller.com.Oneofthedatabaseusersaccidentallydeletedalltherowsofacriticaltableandcommittedthedeleteat1:30p.m.Youseniordatabaseadministrator,Certkiller,asksyoutoretrievethelostdata.Whichtwoactionswouldyouusetoensurethatthereisnoimpactonotherconnecteduserswhileretrievingthedeletedrows?()