[单选题]You are the administrator of a SQL Server 2000 computer named SQL1. You want to perform. ad hoc distribution queries against a database that is stored on a SQL Server 2000 computer named SQL2. SQL2 contains several databases, and each of these databases uses a different collation.You want to ensure that comparisons in distributed queries are evaluated correctly. You also want to minimize administrative overhead.

正确答案 ：D

Add SQL2 as a linked server. Select the Use Remote Collation check box, and do not specify a collation name.

解析：解析：Explanation:WeshouldsetupSQL2asalinkedserver.Thiswouldenabletoissuedistributedqueriestoit.WeshouldalsoselectRemoteCollationoptiontousethecollationontheremoteserver.Note:SQLServer2000allowsthecreationoflinkstoOLEDBdatasourcescalledlinkedservers.AfteralinkhasbeencreateditispossibletoreferencerowsetsfromtheOLEDBdatasourcesastablesinTransact-SQLstatementsandpasscommandstotheOLEDBdatasourcesandincludetheresultingrowsetsastablesinTransact-SQLstatements.Eachdistributedquerycanreferencemultiplelinkedserversandcanperform.eitherupdateorreadoperationsagainsteachindividuallinkedserver.Asingledistributedquerycanperform.readoperationsagainstsomelinkedserversandupdateoperationsagainstotherlinkedservers.Thelinkedserveroptionsdefinedbyusingthesp_serveroptionstoredprocedurecontrolhowSQLServerusescollationsfromlinkedservers.WhentheUseRemoteCollationoptionissettoTRUE,itspecifiesthatthecollationofremotecolumnsisusedforSQLServerdatasources,andthecollationspecifiedinCollationNameisusedfordatasourcesotherthanSQLServer.WhenFALSE,distributedqueriesalwaysusethedefaultcollationofthelocalserverinstance,andCollationNameandthecollationofremotecolumnsareignored.IftheUseRemoteCollationoptionissettoTRUE,wecanspecifythenameofthecollationusedbytheremotedatasourceintheCollationNameoption.Thecollationmust,however,besupportedbySQLServer.ThisoptionshouldbeusedwhenaccessinganOLEDBdatasourceotherthanSQLServer,butwhosecollationmatchesoneoftheSQLServercollationsIncorrectAnswers:A:TheCOLLATEclauseoftheALTERDATABASEstatementcanbeusedtochangethecollationusedbythedatabase.However,thissolutionisinappropriateastheSQL2servercontainsseveraldatabases,eachofwhichusesadifferentcollation.Wewouldthusnotbeabletospecifyallthecollations.B:Remoteserversaresetupinpairswithbothserversconfiguredtorecognizeeachotherasremoteservers.TheconfigurationoptionsforbothserversshouldbesetsothateachinstanceofSQLServerallowsremoteuserstoexecuteprocedurecalls.However,supportforremoteserversisprovidedforbackwardcompatibilityonly.ApplicationsthatmustexecuteproceduresagainstremoteinstancesofSQLServer2000shoulduselinkedserversinstead.D:InthisscenariowecannotspecifythecollationnameasSQL2containsseveraldatabases,eachofwhichuseadifferentcollation.

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