[单选]
You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query；
Which statement is correct regarding the query output？（）

A . It would return information regarding only the last committed transaction.
B . It would return only the active transactions in all the undo segments in the database.
C . It would return only the committed transactions in all the undo segments in the database.
D . It would return both active and committed transactions in all the undo segments in the database.
E . It would return information regarding the transactions that began and were committed in the last 30 minutes.

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You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query；
Which statement is correct regarding the query output？（）

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[单选] You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query； Which statement is correct regarding the query output？（）

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[单选]
You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query；
Which statement is correct regarding the query output？（）