JDBC 面试题与答案

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问题 26. What is the advantage of denormalization?

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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问题 27. How do you handle your own transaction?

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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JDBC 面试题与答案

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问题 26. What is the advantage of denormalization?

问题 27. How do you handle your own transaction?

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