未知题型
未知题型 Younoticedthattheindextablespaceinyourdatabaserequiresarecovery.However,insteadofperformingamediarecovery,youdecidedtorecreatetheindexesinanewtablespace.Whichtwooptionswouldyouusetoreducethetimeittakestorecreatetheindexes?()A.ONLINEB.REVERSEC.PARALLELD.COMPRESSE.NOLOGGINGF.COMPUTESTATISTICS
未知题型 Whichmodifiersandreturntypeswouldbevalidinthedeclarationofaworkingmain()methodforaJavastandaloneapplication?()
未知题型 Whatisthenumericalrangeofachar?()
未知题型 1.classBaseClass{2.privatefloatx=1.of;3.protectedfloatgetVar(){returnx;}4.}5.classSubClassextendsBaseClass{6.privatefloatx=2.Of;7.//insertcodehere8.}Whichtwoarevalidexamplesofmethodoverridingwheninsertedatline7?()A.floatgetVar(){returnx;}B.publicfloatgetVar(){returnx;}C.publicdoublegetVar(){returnx;}D.protectedfloatgetVar(){returnx;}E.publicfloatgetVar(floatf){returnf;}
未知题型 Stringa=null;a.concat(abc”);a.concat(def”);System.out.println(a);Whatistheresult?()
未知题型 Youhaveadatabasewiththefollowingtablespaces:SYSTEM,SYSAUX,UNDO,USERS,TEMP.Youwantto"rollback"thedataintheUSERStablespacetothewayitlookedyesterday.Whichtablespacesdoyouneedtoperformapoint-in-timerestoreoperationoninordertocompletethistask?()A.SYSTEMB.SYSAUXC.UNDOD.USERSE.TEMPF.Thisrestoreisnotpossible
未知题型 WhichtwostatementsaboutRecoveryManager(RMAN)backupsaretrue?()
未知题型 Inyourdatabase,allthetablespacesarelocallymanaged.YoustartedRecoveryManager(RMAN)usingrecoverycatalogandrestoredthecontrolfilebyusingthefollowingcommand:RMAN>RESTORECONTROLFILE;Whichtwooperationsdoyouneedtoperformafterrestoringthecontrolfilefrombackup?()A.shutdownandrestarttheinstanceB.addnewtempfilestothetemporarytablespacesafterrecoveryC.performamediarecoveryandopenthedatabasewiththeRESETLOGSoptionD.performamediarecoveryandbringthedatabasetoNOARCHIVELOGmode
未知题型 YouarecreatingaformthatwillaccessanOracle8database.Onwhichthreesourcescanyoubaseadatablock?()
未知题型 WhichtwostatementsregardingtheFLASHBACK_TRANSACTION_QUERYviewarecorrect?()
未知题型 Whichtwoarecharacteristicsofuser-managedbackupandrecoveryoperations?()
未知题型 HowcananOracleWebLogiccluster’scapacitybeincreased?()
未知题型 Yourdatabaseinstanceisfunctionalforthepastonemonth.TheAutomaticWorkloadRepository(AWR)snapshotretentionissetto7andtheSTATISTICS_LEVELinitializationparameterissettoTYPICAL.Youreceiveacomplaintaboutthepoorperformanceofthedatabasebetween7PMand9PMofthepreviousday.Choosetwoactionsanyofwhichcanbereferredtofirsttodiagnosetheproblem.()A.UsetheActiveSessionHistoryreport.B.UsetheAWRComparePeriodsreport.C.UseanADDManalysisbetween7PMand9PMofthepreviousday.D.UsetheAWRComparePeriodreportbetween7PMand9PMofthepreviousday.
未知题型 IdentifythreeuniqueintegrationfeaturesofSpringandWebLogicServer.()
未知题型 YouexecutedthefollowingFLASHBACKTABLEcommand:FLASHBACKTABLEempTOTIMESTAMP(’11:45’,’hh12:mi’);Whichtwostatementsarecorrect?()
未知题型 WhichstatementsaretrueregardingtheconceptofproblemsandincidentsinthefaultdiagnosabilityinfrastructureforOracleDatabase11g?()
未知题型 WhichthreestatementsaretrueregardingthefunctioningoftheAutotaskBackgroundProcess(ABP)?()
未知题型 Whatarethreebenefitsofperformingdatadefinitionlanguage(DDL)statementsagainstapartitionedtablewiththeUPDATEGLOBALINDEXESclause?()
未知题型 考虑如下代码:class Tree{}class Pine extends Tree{}class Oak extends Tree{}public class Forest {public static void main( String[] args ) {Tree tree = new Pine();if( tree instanceof Pine )System.out.println( 'Pine' );if( tree instanceof Tree )System.out.println( 'Tree' );if( tree instanceof Oak )System.out.println( 'Oak' );elseSystem.out.println( 'Oops' );}}则输出结果中有哪些?A.Pine B.Tree C.Forest D.Oops E.无输出此题为多项选择题。
判断题 在国际贸易中,商务谈判主要交易条件是价格。()