What must you do to undo DB changes previously issued in a
dialog? More than one answer is correct.
a) output E message.
b) perform rollback work.
c) raise exception.
d) Analyze log record.
e) code rollback LUW.
Note: I am sure the choice A,B. But what you think about c
also ? Will exception also rolls back the changes?
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0 Answers CBEC Central Board of Excise and Customs,
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