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單項選擇題

View the following SQL statements:

You want to back out transaction T2. Which option would you use?()

A. It is possible, but transaction T3 also backs out.
B. It is possible with the NOCASCADE_FORCE option.
C. It is possible with the NONCONFLICT_ONLY option.
D. It is not possible because it has conflicts with transaction T3.

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