378.In order to perform Flashback Transaction Query operations, which of these steps are required?
(Choose all that apply.)
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
Answer: CD
答案解析：
参考：http://docs.oracle.com/cd/E11882_01/appdev.112/e41502/adfns_flashback.htm#ADFNS611
Configuring Your Database for Oracle Flashback Transaction Query
To configure your database for the Oracle Flashback Transaction Query feature, you or your database administrator must:
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Ensure that Oracle Database is running with version 10.0 compatibility.
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Enable supplemental logging:
ALTER DATABASE ADD SUPPLEMENTAL LOG DATA;