WLS is a Java application server. One of the biggest benefits from WLS hosting JEE applications (such as BI Publisher and other Oracle-BI-related applications) is the performance gain achieved by reducing the opening and closing of database connections via leveraging connection pools. WLS controls the connection pooling. The deployed JEE applications typically access the JDBC data-source connections created in the Data Sources area of WLS by calling the JNDI name associated with the JDBC connection:
The resulting page is the Summary of JDBC Data Sources management area. Here are the application server-registered Data Sources, which ...