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Ordinarily, you would need to locate your database driver's installation directory and copy the file from the driver's root directory into the library folder of the server you are using.
Fortunately, the IDE's server management is able to detect at deployment whether the JAR file has been added - and if not, it does so automatically.
This is typically done by creating an entry in the application's , then populates them with sample data.
If you have not already done this, or if you need help with this task, see Connecting to a My SQL Database before proceeding further.
To take advantage of this, you need to configure a JDBC (Java Database Connectivity) for the server which your application can use for connection pooling.
For more information on JDBC technology, see The Java Tutorials: JDBC Basics.
The following steps demonstrate how to declare a connection pool, and a data source that relies on the connection pool.
The Net Beans JDBC Resource wizard allows you to perform both actions.
It also covers some basic ideas and technologies in web development, such as Java Server Pages (JSP), Java Server Pages Standard Tag Library (JSTL), the Java Database Connectivity (JDBC) API, and two-tier, client-server architecture.
To remedy this, numerous connections are created and maintained in a connection pool.