Spring Framework perguntas e respostas de entrevista
Question: What is JDBC abstraction and DAO module?Answer: Using this module we can keep up the database code clean and simple, and prevent problems that result from a failure to close database resources. A new layer of meaningful exceptions on top of the error messages given by several database servers is bought in this module. In addition, this module uses Spring's AOP module to provide transaction management services for objects in a Spring application. |
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