Chapter 12. The JDBC Optional Package Reference
The JDBC Optional Package is a new
extension to the JDBC API. Its purpose is to provide nonessential,
but useful database access features without bogging down the core
API. Because it is in the javax namespace, this
package does not come with the JDK. Certain vendors may, of course,
choose to include this package with their virtual machines. If yours
does not include the JDBC Optional Package, you can download it from
http://java.sun.com/products/jdbc.
You may notice that a number of the interfaces and classes in this reference section are not discussed anywhere else in the book. While the JDBC Optional Package does specify their existence, they are not used by application developers. They are instead used by driver implementors. Figure 12.1 shows all of the classes and interfaces in the JDBC Optional Package.
Figure 12-1. All of the classes and interfaces in the JDBC Optional Package
Reference
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