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单项选择题In which scenario will you use the Flashback Version Query feature？（）

A、 when you want to restore a table that has been dropped from the Recycle Bin

B、 when you want to identify the transaction ID of the transaction that deleted some important records from a table

C、 when you want to recover the schema of a dropped user

D、when you want to restore a dropped tablespace

  • B

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