单选题At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date. What might be the problem？（）A Because a proper range of SCNs was not specified， the wrong data was restored.B A proper range of timestamps was not specified， so the wrong data was restored.C A previous Flashback Drop operation had been performed， resulting in multiple versions of the table being stored in the Recycle Bin.D Either option A or B could be correct. Not enough information was provided to determine which.E None of the above.
单选题
At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date. What might be the problem？（）
A
Because a proper range of SCNs was not specified， the wrong data was restored.
B
A proper range of timestamps was not specified， so the wrong data was restored.
C
A previous Flashback Drop operation had been performed， resulting in multiple versions of the table being stored in the Recycle Bin.
D
Either option A or B could be correct. Not enough information was provided to determine which.
E
None of the above.
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