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10g analyze都啥时候啊

原创 Linux操作系统 作者:lijiebin 时间:2007-12-27 15:26:14 0 删除 编辑
QUESTION 144:
In your Oracle 10g database , you have scheduled a job to update the optimizer statistics at 05:00 pm every Friday. The
job has successfully completed. Which three pieces of information would you check to confirm that the statistics have
been collected? (Choose three.)
A.average row size
B.last analyzed date
C.size of table in bytes
D.size of table in database blocks
E - number of free blocks in the free list
F.number of extents present in the table

Answer :A, B, D
不理解为啥选b
谁给讲讲吧

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