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Java Database Connectivity (JDBC)is an application program interface (API) specification for connecting programs written in Java to the data in popular databases.
JDBC connections are expensive When you learn how to program against a database with JDBC in Java, most tutorials will tell you to create a database connection every time you perform a database ...
In this article, Nitin Nanda and Sunil Kumar explain JDBC's driver architecture, outline type 3 JDBC drivers' three-tier model, and show how to create your own type 3 JDBC driver.