ForwhichtwotaskswoulditbebestNOTtousetheutilitySQL*Loader？（）
A. Whenloadingselectedrowsintoeachtable.
B. Whenloadingdatafromanexportdumpfile.
C. Whenloadingdatafromdisk，tape，ornamedpipes.
D. WhenyourdataisNOTbeinginsertedfromaflatfile.
E. Whenusingarecordmanagementsystemtoaccessdatafiles.
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《人生的境界》的作者是（）。
A. 巴金
B. 鲁迅
C. 冯墉
D. 冯友兰
Youplantotakeacloseddatabasebackupusingoperatingsystemcommands.WhichthreeSHUTDOWNoptionsareappropriateforthistypeofbackup？（）
ABORT
B. NORMAL
C. IMMEDIATE
D. TRANSACTIONAL
Youareattemptingtoclearanunarchivedredologfile.Inordertomanuallyenactalogswitch,whichofthefollowingstatementsisappropriate？（）
ALTERDATABASE
B. ALTERSYSTEM
C. ALTERUSER
D. ALTERREDOLOG
Inwhichthreecasesdoesacheckpointoccur？（）
A. Everythreeminutes.
B. Whenalogswitchoccurs.
C. Whenforcesbyanadministrator.
D. Whenatablespaceistakenofflinenormal.
E. Whentheredobufferisone-thirdfull.
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