essential part
of the Java<sup><font size=-2>TM</font></sup>  Enterprise Edition
(Java EE<sup><font size=-2>TM</font></sup>) technology. 
<P>
<h2>Versions</h2>
The JDBC 4.2 API incorporates all of the previous JDBC API versions:
<UL>
    <LI> The JDBC 4.1 API</li>
    <LI> The JDBC 4.0 API</li>
    <LI> The JDBC 3.0 API</li>
    <LI> The JDBC 2.1 core API</li>
 <LI> The JDBC 2.0 Optional Package API<br>
      (Note that the JDBC 2.1 core API and the JDBC 2.0 Optional Package
      API together are referred 