若加热条件不具备，采暖系统调试可以不进行。A．正确B．错误

A.Eachtargetdatabaserequiresitsownrecovercatalog.

B.RMANscriptscanbestoredintherecoverycatalogorthetargetcontrolfile.

C.Achannelisastreamofdatatoadevicetypeandcorrespondstooneserversession.

D.TheRMANexecutableinterpretsseversessioncommandsandestablishesconnectionstothetarget database.

A.Atextcopyofthecontrolfile.

B.Abinarycopyofthecontrolfile.

C.AfilecontainingaSQLstatementwhichwillre-createthedatabase.

D.AfilecontainingaSQLstatementwhichwillre-createthecontrolfile.

A.Acheckpointdefinesthehighestsystemchangenumber（SCN）.

B.AllredoentrieshigherorattheSCNareknowntobewrittentothedatafiles.

C.OnlytheredorecordscontainingSCNshigherthenthecheckpointneedtobeappliedduringrecovery.

D.TheLOG_CHECKPOINT_INTERVALinitializationparameterspecifiestheamountoftimebetweenincrementalcheckpoints.

A.UsingSQLcommands.

B.UsingSQL*Pluscommands.

C.Usingoperatingsystemcommands.

D.UsingRecoverManagercommands.

A.Onlywhenthenewmastersitealreadyhasexistingreplicationgroups.

B.Byissuingasinglecommandtocreate,populate,andactivatethenewmaster.

C.Whenthemasterdefinitionsiteisnotthesameforallofthemastergroups.

D.Withoutimpactingenduserswhoareexecutingdatamanipulationlanguage(DML)commandsonthereplicatedtables.

A.Automaticallyversionsalltables.

B.AutomaticallyinstalledwithOracle9i.

C.Mergeschangeswithparentrowsordiscardchanges.

D.Providesmechanismtoidentifyandresolveconflicts.

E.Allowsforversionenablingtablesbyuseofapackagesprocedure.

Examinethefollowingparametersettingsfromaninitialization（init.ora）file：DB_CREATE_FILE_DEST=’/u01/oradata/’DB_CREATE_ONLINE_LOG_DEST_1=’/u02/oradata/’DB_CREATE_ONLINE_LOG_DEST_2=’/u03/oradata/’IfyoucreateanOracleManagedFiles（OMF）databaseusingthesesettings，whatistheresult？（）

A.A

B.B

C.C

D.D

A.TheAdvisoryisonandwillcapturebothCPUandmemoryoverhead.

B.TheAdvisoryisonbutthememoryfortheAdvisoryisnotallocated.

C.TheAdvisoryisoffandthememoryfortheAdvisoryisnotallocated.

D.TheAdvisoryisoffbutthememoryfortheAdvisoryremainsallocated.

A.Anindexusedtojointwobitmapindexesonatable.

B.Abitmapindexcreatedforthejoinoftwoormoretables.

C.Abitmapindexcreatedonthejoinoftwoormoreindexes.

D.Abitmapindexcreatedonthejoinoftwoormoreindexed-organizedtables.

A.A

B.B

C.C

D.D