Creating connection objects in SQLJ applications

To establish a connection to the database, we use connection contexts in the SQLJ application. A connection context specifies the database details, transaction behavior, and session to be used in the application. In this recipe, we will focus on the different ways of establishing database connections in SQLJ applications.

Getting ready

DB2 supports IBM Data Server Driver for JDBC and SQLJ for SQLJ applications. This driver is packaged as db2jcc.jar and sqlj.zip for JDBC 3.0 and as db2jcc4.jar and sqlj4.zip for JDBC 4.0. This driver allows us to use type-2 and type-4 type connectivity.

This driver is shipped with DB2.

How to do it...

The basic idea with all these techniques is to create a connection ...

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