Advanced Connection Management
The simplistic database connection setup with a database.properties file, as described in the preceding sections, is suitable for small test programs, but it won't scale for larger applications.
When a JDBC application is deployed in an enterprise environment, the management of database connections is integrated with the Java Naming and Directory Interface (JNDI). The properties of data sources across the enterprise can be stored in a directory. Using a directory allows for centralized management of user names, passwords, database names, and JDBC URLs.
In such an environment, you use the following code to establish a database connection:
Context jndiContext = new InitialContext(); DataSource source = (DataSource) ...
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