题目内容

Youareattemptingtoclearanunarchivedredologfile.Inordertomanuallyenactalogswitch,whichofthefollowingstatementsisappropriate？（）

ALTERDATABASE
B. ALTERSYSTEM
C. ALTERUSER
D. ALTERREDOLOG

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Inwhichthreecasesdoesacheckpointoccur？（）

A. Everythreeminutes.
B. Whenalogswitchoccurs.
C. Whenforcesbyanadministrator.
D. Whenatablespaceistakenofflinenormal.
E. Whentheredobufferisone-thirdfull.

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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

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YouareusingRMANtoperformacloseddatabasebackupofyourdatabase.YouissuetheseRMANcommands：STARTUPMOUNT；BACKUPFORMAT’/BACKUP/df_%d_%s_%p.bus’DATABASEfilesperset=2；Whichcomponentsareincludedinthebackup？（）

A. Onlythedatafiles.
B. Onlythedatafilesandtheonlinelogs.
C. Thedatafiles，controlfiles，andtheonlinelogs.
D. Thedatafilesandcontrolfiles，butnottheonlinelogs.

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霍布斯的理论：人的本性“自我保存、趋利避害”（）

A. 自我吹嘘
B. 自高自大
C. 趋苦避乐
D. 趋乐避苦

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Youareattemptingtoclearanunarchivedredologfile.Inordertomanuallyenactalogswitch,whichofthefollowingstatementsisappropriate？（）

ALTERDATABASE B. ALTERSYSTEM C. ALTERUSER D. ALTERREDOLOG

Inwhichthreecasesdoesacheckpointoccur？（）

WhichthreeinitializationparametersarenolongerneededwhenFAST_START_MTTR_TARGETisdefined？（）

YouareusingRMANtoperformacloseddatabasebackupofyourdatabase.YouissuetheseRMANcommands：STARTUPMOUNT；BACKUPFORMAT’/BACKUP/df_%d_%s_%p.bus’DATABASEfilesperset=2；Whichcomponentsareincludedinthebackup？（）

霍布斯的理论：人的本性“自我保存、趋利避害”（）

ALTERDATABASE
B. ALTERSYSTEM
C. ALTERUSER
D. ALTERREDOLOG