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You are working on an Oracle Database 10g database. For which purposes would you use the Flashback Transaction Query feature？ （）
A: To recover a dropped table.
B: To recover a dropped schema.
C: To recover data from a truncated table.
D: To view changes made by all the transactions during a given period of time.
E: To view changes made by a single transaction during a given period of time.

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出自：Oracle认证

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