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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？（）
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

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出自：Oracle认证

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