（多选题）
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
答案解析
略
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