Kate works ______ a school. Her father works ______ a farm. [ ]
A.
in, in
B.
in, on
C.
on, in
D.
on, on
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举一反三
【单选题】By using the transaction identifier provided by()for a particular row change, you can use the Flashback Transaction Query to see the operation performed by the transaction.
【单选题】By using the transaction identifier provided by () for a particular row change, you can use theFlashback Transaction Query to see the operation performed by the transaction.