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2022OracleDBA数据库结构试题及答案OracleDBA数据库结构精选试题及答案Q.1:PhysicalDiskResourcesinanOracleDatabaseare1.ControlFiles2.RedoLogFiles3.DataFiles4.Alloftheabove4Q.2:WhatisaSchema1.APhysicalOrganizationofObjectsintheDatabase2.ALogicalOrganizationofObjectsintheDatabase3.ASchemeOfIndexing4.Noneoftheabove2Q.3:AnOracleInstanceis1.OracleMemoryStructures2.OracleI/OStructures3.OracleBackgroundProcesses4.AlloftheAbove4Q.4:TheSGAConsistsoftheFollowingItems1.BufferCache2.SharedPool3.RedoLogBuffer4.AlloftheAbove4Q.5:TheareathatstorestheblocksrecentlyusedbySQLstatementsiscalled1.SharedPool2.BufferCache3.PGA4.UGA2Q.6:WhichofthefollowingisnotaBackgroundServerProcessinanOracleServer1.DBWriter2.DBReader3.LogWriter4.SMON2Q.7:WhichofthefollowingisavalidbackgroundserverprocessesinOracle1.ARCHiver2.LGWR(LogWriter)3.DBWR(Dbwriter)4.Alloftheabove4Q.8:Theprocessthatwritesthemodifiedblockstothedatafilesis1.DBWR2.LGWR3.PMON4.SMON1:Oracledoesnotmodifythedataindatafile.OncetheserverprocessmakesachangeintheMemory,DBWRwritesthemodifiedblocksbacktodisk.Q.9:Theprocessthatrecordsinformationaboutthechangesmadebyalltransactionsthatcommitis1.DBWR2.SMON3.CKPT4.Noneoftheabove4:LGWRprocessrecordstheinformationaboutchangestodatabaseQ.10:Oracledoesnotconsideratransactioncommitteduntil1.TheDataiswrittenbacktothediskbyDBWR2.TheLGWRsuccessfullywritesthechangestoredo3.PMONProcesscommitstheprocesschanges4.SMONProcessWritesthedata2Q.11:TheprocessthatperformsinternaloperationslikeTablespaceCoalescingis1.PMON2.SMON3.DBWR4.ARCH2Q.12:Theprocessthatmanagestheconnectivityofusersessionsis1.PMON2.SMON3.SERV4.NET81Q.13:TheARCHprocessisenabledwhenthedatabaserunsina1.PARALLELMode2.ARCHIVELOGMode3.NOARCHIVELOGMode4.Noneoftheabove2Q.14:WhatperformstheCheckPointintheabsenceofaCKPTProcess1.DBWR2.LGWR3.PMON4.SMON2:Atacheckpointdbwrwritesalldatatodatafilesfrommemory.AtthistimethedatafileheadershavetobeupdatedbyLGWRintheabsenceofaCKPTprocessQ.15:Ifanapplicationrequest
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