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When a query that is supposed to affect rows is executed as part of a transaction, and reports no affected rows, it could mean that: (Choose 2)
When a query that is supposed to affect rows is executed as part of a transaction, and reports no affected rows, it could mean that: (Choose 2)
A . The transaction failed
B . The transaction affected no lines
C . The transaction was rolled back
D . The transaction was committed without error
Answer: A, B
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