Java Reference
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<property name="eclipselink.target-server" value="WebLogic_10"
/>
<property name="javax.persistence.jtaDataSource" value="jdbc/
MySQLDS" />
<property name="eclipselink.ddl-generation"
value="create-tables" />
<property name="eclipselink.target-database" value="MySQL" />
</properties>
</persistence-unit>
</persistence>
The
persistence-unit
is required to be named and may be given any name. We
had configured a JDBC data source with JNDI
jdbc/MySQLDS
in WebLogic Server.
Specify the JNDI name in the
jta-data-source
element. The properties element
specifies vendor-specific properties. The
eclipselink.ddl-generation
property
is set to
create-tables
, which implies that the required database tables will be
created unless they are already created . The
persistence.xml
configuration file is
shown in the Eclipse project in the following illustration:
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