单项选择题
A. Restore the most recent backup into a new database named DB1bak. Apply the most recent differential backup. Copy the Pricelist table from DB1bak to DB1.
B. Delete all database snapshots except the most recent one. Restore DB1 from the most recent database snapshot.
C. Recover DB1 from the most recent backup. Apply the most recent differential backup.
D. Copy the Pricelist table from the most recent database snapshot into DB1.
多项选择题 Yourcompanyusesamission-criticaldatabasenamedDB1,whichislocatedonaservernamedSQL1.YouwanttomirrorDB1onasecondservernamedSQL2.Beforeyoucanestablishdatabasemirroring,youneedtoprepareDB1andtheserversformirroring.Whichthreeactionsshouldyouperform?()
单项选择题 YourcompanyusesaSQLServer2005database.CustomerdatafromyourtradingpartnersisimportedintotheCustomerstableeverynight.YouneedtoensurethatthecustomerrecordisupdatedifitalreadyexistsintheCustomerstable.Iftherecorddoesnotexist,thedataneedstobeinsertedintotheCustomerstable.Whatshouldyoudo?()
单项选择题 YouarecreatingaviewtojointheCustomersandOrderstablesinaSQLServer2005database.Youneedtoensurethattheviewcannotbeaffectedbymodificationstounderlyingtableschemas.Youwanttoaccomplishthisgoalbyusingtheleastpossibleamountofoverhead.Whatshouldyoudo?()