问题:
By mistake, you ran the batch job (for updating the BILL_DETAILS table) twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify:
a) A list of changes made along with the transaction identifier of each change.
b) The necessary SQL statements to undo the erroneous changes.
Which option would you choose?()
A . RMAN only.
B . Flashback Table only.
C . Flashback Version Query only.
D . Flashback Database and Flashback Transaction Query.
E . Flashback Version Query and Flashback Transaction Query.
By mistake, you ran the batch job (for updating the BILL_DETAILS table) twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify:
a) A list of changes made along with the transaction identifier of each change.
b) The necessary SQL statements to undo the erroneous changes.
Which option would you choose?()
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