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The Microsoft JDBC driver jars are not part of the Java SDK and must be included in Classpath of user application. For more information about which JAR file to choose, see System requirements for the JDBC driver.
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Your choice will also determine available features. The Microsoft JDBC Driver 4.1 for SQL Server provides the sqljdbc41.jar class library file.
SOFTWARE JAVAX.SMARTCARDIO.CARD JAR FILE DRIVERS
The Microsoft JDBC Drivers 6.0 and 4.2 for SQL Server provide sqljdbc41.jar, and sqljdbc42.jar class library files. The Microsoft JDBC Driver 6.2 for SQL Server provides mssql-jdbc-6.2.2.jre7.jar, and mssql-jdbc-6.2.2.jre8.jar class library files. The Microsoft JDBC Driver 6.4 for SQL Server provides mssql-jdbc-6.4.0.jre7.jar, mssql-jdbc-6.4.0.jre8.jar, and mssql-jdbc-6.4.0.jre9.jar class library files. The Microsoft JDBC Driver 7.0 for SQL Server provides mssql-jdbc-7.0.0.jre8.jar, and mssql-jdbc-7.0.0.jre10.jar class library files. The Microsoft JDBC Driver 7.2 for SQL Server provides mssql-jdbc-7.2.2.jre8.jar, and mssql-jdbc-7.2.2.jre11.jar class library files. The Microsoft JDBC Driver 7.4 for SQL Server provides mssql-jdbc-7.4.1.jre8.jar, mssql-jdbc-7.4.1.jre11.jar, and mssql-jdbc-7.4.1.jre12.jar class library files. The Microsoft JDBC Driver 8.2 for SQL Server provides mssql-jdbc-8.2.2.jre8.jar, mssql-jdbc-8.2.2.jre11.jar, and mssql-jdbc-8.2.2.jre13.jar class library files. The Microsoft JDBC Driver 8.4 for SQL Server provides mssql-jdbc-8.4.1.jre8.jar, mssql-jdbc-8.4.1.jre11.jar, and mssql-jdbc-8.4.1.jre14.jar class library files. The Microsoft JDBC Driver 9.2 for SQL Server provides mssql-jdbc-9.2.1.jre8.jar, mssql-jdbc-9.2.1.jre11.jar, and mssql-jdbc-9.2.1.jre15.jar class library files. The Microsoft JDBC Driver 9.4 for SQL Server provides mssql-jdbc-9.4.0.jre8.jar, mssql-jdbc-9.4.0.jre11.jar, and mssql-jdbc-9.4.0.jre16.jar class library files. The Microsoft JDBC Driver provides different Jars to be used in correspondence with your preferred Java Runtime Environment (JRE) settings, as under: Before you connect to a SQL Server database, SQL Server must first be installed on either your local computer or a server, and the JDBC driver must be installed on your local computer. This section provides quickstart instructions for making a simple connection to a SQL Server database by using the Microsoft JDBC Driver for SQL Server.