Application Server Architectures
This section provides basic architectures for providing persistence with the
J2EE application server platform. The J2EE platform requires a database for the
storage of business data. This database is accessible through the JDBC, SQLJ, or JDO
APIs. Also, the database is accessible from web components, enterprise beans, and application client components.
For more information on the J2EE platform, see the Application Server Definition.
Here are some basic architectures for accessing databases:
More on the general topic: Application Server Articles
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