JDBC Architecture Overview
JDBC is similar in structure to ODBC. A JDBC application is composed of multiple layers, as shown in Figure 13.1.
Figure 13.1. JDBC architecture.
The topmost layer in this model is the Java application. Java applications are portable—you can run a Java application without modification on any system that has a Java runtime environment installed. A Java application that uses JDBC can talk to many databases with few, if any, modifications. Like ODBC, JDBC provides a consistent way to connect to a database, execute commands, and retrieve the results. Also like ODBC, JDBC does not enforce a common command language—you can ...
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