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053第85题

时间:2017-05-01 16:00:55      阅读:168      评论:0      收藏:0      [点我收藏+]

标签:obj   opp   base   cut   comm   str   exec   move   long   

85.You executed the following command to drop a user:
DROP USER scott CASCADE;
Which two statements regarding the above command are correct?

(Choose two.)
A. All the objects of scott are moved to the Recycle Bin.
B. Any objects in the Recycle Bin belonging to scott are purged.
C. All the objects owned by scott are permanently dropped from the database.
D. All the objects of scott in the Recycle Bin must be purged before executing the DROP command.
E. Any objects in the Recycle Bin belonging to scott will not be affected by the above DROP command.
Answer: BC



When you issue the DROP USER ... CASCADE command, the user and all the objects owned by the
user are permanently dropped from the database. Any objects in the recycle bin belonging to the
dropped user are purged.



053第85题

标签:obj   opp   base   cut   comm   str   exec   move   long   

原文地址:http://www.cnblogs.com/mfmdaoyou/p/6791997.html

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