单项选择题

A.RESTOREB.RECOVERC.REPORTD.BACKUPWhichofthefollowingco……

Which of the following commands cannot use the functionality assosciated with theNLS_DATE_FORMAT variable？（）

A.RESTORE
B.RECOVER
C.REPORT
D.BACKUP

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单项选择题WhatisthemaximumnumberofARCnprocessesthatcanbedefinedusingtheinitializationparameterLOG_ARCHIVE_MAX_PROCESSES？（）

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单项选择题Whichbackgroundprocessisresponsibleforwritingthedirtybuffersfromthewritelisttothedatafilesduringacheckpoint？（）

A.CKPT
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C.It omits empty blocks during backups.
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A.Oracle names
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C.Host Naming
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