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What is Connection pools used for in Hibernate?
Connection pools are a common way to improve application performance. Rather than opening a separate connection to the database for each request, the connection pool maintains a collection of open database connections that are reused. Application servers often provide their own connection pools using a JNDI DataSource, which Hibernate can take advantage of when configured to use a DataSource.
When you choose a connection pooling service, you must configure it for your environment. Hibernate supports configuring connection pools from the hibernate.cfg.xml file. The connection.provider_class property sets the pooling implementation:

    <property name="connection.provider_class">
      org.hibernate.connection.C3P0ConnectionProvider
    </property>
Posted By: Name:Rajesh Kr URL: What is Connection pools used for in Hibernate?