Using a JDBC System Module
When a WebLogic Server administrator creates a JDBC resource, WebLogic Server creates a JDBC module in the domain directory and updates the config.xml file with a JDBCSystemResource element that points to the new JDBC resource. As you can see in the extract from the config.xml file shown in the following listing, the <jdbc-system-resource> element includes the name of the JDBC XML file, MedRec-jdbc.xml, within the <descriptor-file-name> element. The <target> element shows the server (MedRecServer) to which the JDBC resource is targeted:
<jdbc-system-resource> <name>MedRecGlobalDataSourceXA</name> <target>MedRecServer</target> <descriptor-file-name>jdbc/MedRec-jdbc.xml</descriptor-file-name> </jdbc-system-resource> ...
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