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JDBC Interview Questions and Answers

Ques 26. What is the advantage of denormalization?

Ans. Data denormalization is reverse procedure, carried out purely for reasons of improving performance. It maybe efficient for a high-throughput system to replicate data for certain data.

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Ques 27. How do you handle your own transaction?
Ans. Connection Object has a method called setAutocommit ( boolean flag) . For handling our own transaction we can set the parameter to false and begin your transaction . Finally commit the transaction by calling the commit method.
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