In order to perform Flashback Transaction Query operations， which of these steps are required？（）
- A、 Ensure that database is running with version 10.1 compatibility.
- B、 Enable Flashback Logging.
- C、 Enable Supplemental Logging.
- D、 Ensure that the database is running with version 10.0 compatibility.
- E、 Ensure that the database is in ARCHIVELOG mode.
正确答案:C,D
答案解析:有
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