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.
正确答案:A,C
答案解析:有
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