单项选择题
A.NORMAL
B.TRANSACTIONAL
C.ABORT
D.IMMEDIATE
E.INCONSISTENT
单项选择题 WhichofthefollowingcommandscannotusethefunctionalityassosciatedwiththeNLS_DATE_FORMATvariable？（）
单项选择题 WhatisthemaximumnumberofARCnprocessesthatcanbedefinedusingtheinitializationparameterLOG_ARCHIVE_MAX_PROCESSES？（）
单项选择题 Whichbackgroundprocessisresponsibleforwritingthedirtybuffersfromthewritelisttothedatafilesduringacheckpoint？（）