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Which two statements are correct regarding the Flashback Versions Query feature？（）
A: You can use this feature to identify the committed versions of the rows， but not the uncommitted versions.
B: You can use this feature to identify the versions of V$ views.
C: You can use this feature to identify the inserts， deletes， and updates performed on a particular row but not the data definition language （DDL） operations performed on the table.
D: You can use this feature for a table only if row movement is enabled for the table.
E: You can use this feature to identify the versions of external and fixed tables.

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出自：Oracle认证

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