问答题

Whichtwoareexamplesofamouseevent?（）

A.Theuserclicksthemouse.
B.Theusermovesthemouseintoanitem.
C.Thecursorstylechangesfromdefaulttobusy.
D.Theusermovesthemouseintothewindowtitlebar.

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WhichthreeinitializationparametersarenolongerneededwhenFAST_START_MTTR_TARGETisdefined？（）

A.TARGET_REDO_BLKS
B.FAST_START_IO_TARGET
C.LOG_CHECKPOINT_TIMEOUT
D.RECOVERY_ESTIMATED_IOS
E.LOG_FILE_SIZE_REDO_BLKS
F.LOG_CHECKPOINT_INTERVAL

YouissuethisRMANcommand：RMAN>createscriptLevel0Backup{backupincrementallevel0format‘/u01/db01/backup/%d_%_Sp’fileperset5（databaseincludecurrentcontrolfile）；sql‘alterdatabasearchivelogcurrent’；}WhichthreestatementsaretrueabouttheLevel0Backupscriptyoujustcreated？（）
A.Thescriptisstoredonlyinthecontrolfile.
B.Thescriptisstoredonlyintherecovercatalog.
C.ThescriptcanbeexecutedonlybyusingtheRMANRUNcommand.
D.ThecommandsofthescriptcanbedisplayedwiththeLISTcommand.
E.ThecommandsofthescriptcanbedisplayedwiththePRINTcommand.
F.ThecommandsofthescriptcanbedisplayedwiththeREPORTcommand.

A.Thescriptisstoredonlyinthecontrolfile.
B.Thescriptisstoredonlyintherecovercatalog.
C.ThescriptcanbeexecutedonlybyusingtheRMANRUNcommand.
D.ThecommandsofthescriptcanbedisplayedwiththeLISTcommand.
E.ThecommandsofthescriptcanbedisplayedwiththePRINTcommand.
F.ThecommandsofthescriptcanbedisplayedwiththeREPORTcommand.