单项选择题
单项选择题 WhichstatementistrueregardingDynamicServiceRegistration?()
单项选择题 Thesystemwasrunninganormalworkloadduringthelast24hours.Youneedtoensurethatwiththesameworkloadyoushouldbeabletoflashbacktablesbythreehours.Whatwouldyoudotofindthesystemrecommendationsfortheundoretentionperiodandtheundotablespacesize?()A.setDB_FLASHBACK_RETENTION_TARGET=10800B.createanewschedulerwindowforthetimeperiodof24hoursandusetheoptimizerstatisticsC.modifytheAutomaticWorkloadRepository(AWR)snapshottimeintervaltothreehoursanduseADDMfindingsD.specifyNewUndoRetentionasthreehoursandAnalysisTimeperiodasLastOneDayintheUndoAdvisorpageanduseitsrecommendations
单项选择题 Youareresponsibleforadatawarehouseapplicationthatusesrecordsfromanexternaltabletoupdateoneofthedimensiontablesperiodically.Therecordsintheexternaltablemaycontaindatafornewrowsinthedimensiontable,orforupdatestoitsexistingrows.WhichtypeofSQLcommandwouldyouusetotransferthedatafromtheexternaltabletothedimensiontableasefficientlyaspossible?()A.MERGEB.SELECT…CROSSJOINC.INSERTALL…SELECTD.CREATEVIEW…CONSTRAINT
单项选择题 Youwanttoperforminincompleterecoveryofyourdatabase.Youplantousethesecommandstorecoveryourdatabase:SETUNTILTIME=’2000-12-09:11:44:00’;RESTOREDATABASE;RECOVERDATABASE;Howshouldthecommandsbeexecuted?()
单项选择题 Whenperforminganincompleterecoverofthewholedatabase,whichdatafilesmustyourestore?()
单项选择题 YourdatabaseisrunningintheARCHIVELOGmode.Youplacedatablespace,tbs_1,offlinewiththeimmediateoption.Whichstatementiscorrectinthisscenario?()
单项选择题 下列哪项任务只能在动态磁盘上执行()
单项选择题 WhichvalueisvalidfortheiterateparameterinSET_TIMERbuilt-inprocedure?()
单项选择题 YouhavethreetemporarytablespacegroupsnamedG1,G2,andG3inyourdatabase.Youarecreatinganewtemporarytablespaceasfollows:CREATETEMPORARYTABLESPACETEMP1TEMPFILE’/u1/data/temp1.dbf’SIZE10MTABLESPACEGROUP;Whichstatementregardingtheabovecommandiscorrect?()A.ItwillcreatethetablespaceTEMP1ingroupG1.B.ItwillcreatethetablespaceTEMP1ingroupG3.C.ItwillnotaddthetablespaceTEMP1toanygroup.D.ItwillcreatethetablespaceTEMP1inthedefaultgroup.
单项选择题 Integrationbetween()multidatasourcesand()isdefinedastheGridLinkforRAC.
单项选择题 A simple master-to-slave replication is currently being used. The following information is extracted from the SHOW SLAVE STATUS output:Last_SQL_Error: Error 'Duplicate entry '8' for key 'PRIMARY
单项选择题 WhathappenswhenthreadXexecutesawait()methodonobjectA,withoutowningobjectA’slock?()
单项选择题 byte[]arry1,array2[];bytearray3[][];byte[][]array4;Ifeacharrayhasbeeninitialized,whichstatementwillcauseacompilererror?()
单项选择题 interfacefoo{2.intk=0;3.}4.5.publicclasstestimplementsFoo(6.publicstaticvoidmain(Stringargs[])(7.inti;8.Testtest=newtest();9.i=test.k;10.i=Test.k;11.i=Foo.k;12.)13.)14.Whatistheresult?()
单项选择题 Youfindthatsomequeriesonatablearetakingalongtimetoexecutebecausetherearenoindexescreatedonthetable.YoudecidetoinvoketheSQLAccessAdvisortodeterminetheappropriateindextobecreated.WhichpackagewillyouusetoinvoketheSQLAccessAdvisor?()A.DBMS_SERVER_ALERTB.DBMS_ADVISORC.DBMS_RESOURCE_MANAGERD.DBMS_REPAIR
单项选择题 YouaremaintainingtheSALESdatabaseforeSoftCorporation.YouhavenotconfiguredASMMonthedatabase.YouwanttoknowwhatsizeoftheSGAwillprovidethebestperformance.WhichadvisorwouldyouusetodeterminethesuitablesizeoftheSGA?()A.SQLTuningAdvisorB.UndoAdvisorC.ADDMD.MemoryAdvisor
单项选择题 Whichofthefollowingdoestherecovercommandnotdo?()
单项选择题 Ifyoulostyourentiredatabase,includingthedatabasespfile,controlfiles,onlineredologs,anddatabasedatafiles,whatkindofrecoverywouldberequiredwithRMAN?()
单项选择题 YouworkasadatabaseadministratorforSupportcenter.cn.Oneoftheusersessionswasterminatedabnormallyinthemiddleofatransaction.WhatdoesOracledatabasedotorecoverit?()
单项选择题 YouworkasadatabaseadministratorforSupportcenter.cn.Yoususpectthatinoneofyourapplicationsthecustomertableisbeingaccessedbysomeunauthorizedusers.Whichoptionwouldyouusetomonitorthequeriesbeingexecutedonthecustomertable?()A.Monitorthealert.logfileB.Enableserver-sideSQLtracingforusersessionsC.Enablefine-grainedauditingforthecustomertableD.EnableFine-GrainedAccessControl(FGAC)forthecustomertableE.WriteadatabasetriggeronthecustomertableontheSELECTevent