Summary

J2EE components deployed in OC4J can access any database that has a JDBC driver as long as an appropriate data source is configured in data-sources.xml . Of course, since most OC4J applications are built on Oracle databases, some functionality (for example, two-phase commit and simultaneous use of JTA and JDBC extensions) has only been implemented for Oracle data sources. Once configured, any data source can be located programmatically through JNDI and used to connect to a database. Data sources are also commonly used to configure persistence frameworks such as EJB CMP and the open -source Hibernate framework.



Oracle Application Server 10g. J2EE Deployment and Administration
Oracle Application Server 10g: J2EE Deployment and Administration
ISBN: 1590592352
EAN: 2147483647
Year: 2004
Pages: 150

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