Basic introduction
The sqljdbc4.jar class library provides support for JDBC 4.0. It includes all the functionality of sqljdbc.jar, plus new JDBC 4.0 methods.
The sqljdbc4.jar class library requires Java Runtime Environment (JRE) version 6.0 or higher. Using sqljdbc4.jar on JRE 1.4 or 5.0 throws an exception.
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