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Java JDBC

Jakob Jenkov
Last update: 2014-06-23

The Java JDBC API enables Java applications to connect to relational databases via a standard API, so your Java applications become independent (almost) of the database the application uses.

Java application using JDBC to connect to a database.
Java application using JDBC to connect to a database.

JDBC standardizes how to connect to a database, how to execute queries against it, how to navigate the result of such a query, and how to exeucte updates in the database. JDBC does not standardize the SQL sent to the database. This may still vary from database to database.

This JDBC tutorial covers the version of JDBC available in Java 6. The tutorial will not cover every single detail of the JDBC API, but focus on the most commonly used features. The rest you can read about in the JavaDoc's afterwards. Once you have a good understanding of JDBC, reading the last details in the JavaDoc or elsewhere, will not be so hard.

This JDBC tutorial only covers the JDBC API. It does not cover SQL, databases and database design rules etc. The reader should study these concepts elsewhere.

Feedback Appreciated

While this tutorial covers the core of JDBC it might still have a few missing details, so if you spot a missing JDBC class or interface, please let me know.


Feel Free to Contact Me

If you disagree with anything I write here about the JDBC tutorial, or just have comments, questions, etc, feel free to send me an email. You wouldn't be the first to do so. You can find my email address on the about page.

Jakob Jenkov




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