Which of the following statements best describes Flashback Versions Query?()  

A .  Flashback Versions Query is used to make changes to multiple versions of data that existed between two points in time. B .  Flashback Versions Query is used to view all version changes on rows that existed between the time  the query was executed and a point in time in the past. C .  Flashback Versions Query is used to view version changes and the SQL to undo those changes on rows that existed between two points in time. D .  Flashback Versions Query is used to view all version changes on rows that existed between two points in time.

时间:2022-09-28 02:37:43 所属题库:1Z0-053题库

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