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UNIT - 4

Configuring JPA Applications

Introduction, Advanced Topics, and Modern Practices

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Configuring JPA Applications

  • Configuration:
    • persistence.xml: Configuration file that contains database connection details.
    • DataSource: Define the connection pool and the persistence unit name.
    • Example persistence.xml:

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<persistence-unit name="myUnit">

<jta-data-source>jdbc/myDB</jta-data-source>

<class>com.example.Employee</class>

</persistence-unit>

​

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