题目内容
TestKing.comusesSQLServer2005.Youareimplementingaseriesofviewsthatareusedinadhocqueries.TheviewsareusedtoenforceTestKing.comssecuritypolicyofabstractingdata.Someoftheseviewsperformslowly.Youcreateindexesonthoseviewstoincreaseperformance，whilestillmaintainingthecompany’ssecuritypolicy.Oneoftheviewsreturnsthecurrentdateasoneofthecolumns.TheviewreturnsthecurrentdatebyusingtheGETDATE（）function.Thisviewdoesnotallowyoutocreateanindex.Youneedtocreateanindexontheview.
Whichtwoactionsshouldyouperform？（）
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Youarecreatinganewsecuritypolicyforanapplicationdomain.Youwritethefollowinglinesofcode.
PolicyLevelpolicy=PolicyLevel.CreateAppDomainLevel（）；
PolicyStatementnoTrustStatement=
newPolicyStatement（
policy.GetNamedPermissionSet（"Nothing"））；
PolicyStatementfullTrustStatement=
newPolicyStatement（
policy.GetNamedPermissionSet（"FullTrust"））；
YouneedtoarrangecodegroupsforthepolicysothatloadedassembliesdefaulttotheNothingpermissionset.Iftheassemblyoriginatesfromatrustedzone，thesecuritypolicymustgranttheassemblytheFullTrustpermissionset.
Whichcodesegmentshouldyouuse？（）
YouareresponsibleformanagingthedatabaseschemaforanorderentryapplicationinaSQLServer2005database.Afteradesignreview，amemberofthedevelopmentstaffasksyoutoaddanewcolumnnamedCommissionRatetotheProducttable.Becausetheactualcommissionratesforallproductsarenotknownatthistime，eachproducthasadefaultcommissionrateof12percent.Theratecanbemodifiedasnecessary.Youaddthenewcolumn.Youneedtoconfigurethetabletoassignthedefaultvalueasefficientlyaspossible.
Whatshouldyoudo？（）
YouareplanningtoimportcustomerdatafromtheCustomertableandtheCountrytableinyourSQLServer2000databaseintoaSQLServer2005database.Youwanttoensurethatduringtheimportprocess，eachvalueintheCountryCodecolumnoftheCustomertablehasacorrespondingrecordintheCountryCodecolumnintheCountrytableoftheSQLServer2005database.Youdefineaforeignkeybetweenthesetwotables.Thus，referentialintegritywillguaranteethattheimportroutinefailsifthereareanyrecordswhereaCountryCodevaluedoesnotexistintheCountrytablebutdoesexistintheCustomertable.YouneedtoensurethattheimportprocessdoesnotfailifrecordsareencounteredthatdonotexistintheCountrytable.
Whatshouldyoudo？（）
西安自参考答案：√周朝开始至唐，有十个王朝在此建都，故称十朝古都。（)
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