You can use Or

题目

You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback?()

  • A、Oracle Flashback uses undo information to construct consistent data. 
  • B、You can use a cursor opened while using an Oracle Flashback image to perform DML once you deactivate Oracle Flashback in your session. 
  • C、You can only use Oracle Flashback view of the data if the required records are still in the online redo log files. 
  • D、Oracle Flashback lists the DML that was executed during the period you identify when initiating your session. 
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解析:帮助是您工作时使用的一个参考工具。
  A.Title
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  B.Edit
  编辑
  C.Help
  帮助
  D.View
  视图

第10题:

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CI am afraid you can't.

DWho told you?


C

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