oca题目一些疑惑,请教通过了的高手
http://www.oracle.com.cn/archiver/?tid-128913.html[@more@]QUESTION 46: You work as a database administrator for Certkiller .com. In your transaction application, you have scheduled a job to update the optimizer statistics at05:00 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.