How would you like to create your own type 3 JDBC (Java Database Connectivity) driver or convert an existing JDBC driver to type 3? Type 3 drivers, primarily useful for Internet/intranet ...

SQL Server 2005's Type 4 JDBC driver provides database connectivity from a Java application. Though the driver class and connection URL are a bit different in this version, connectivity is a snap.

This tutorial shows JDBC and PostgreSQL used, along with JDBC URLs and downloaded database drivers from Maven, to create simple Postgres CRUD apps.