TDS is an open source 100% pure Java (type 4) JDBC 3.0 driver
for Microsoft SQL Server (6.5, 7, 2000 and 2005) and Sybase (10, 11, 12, 15).
jTDS is based on FreeTDS and is currently the fastest production-ready JDBC
driver for SQL Server and Sybase. jTDS is 100% JDBC 3.0 compatible, supporting
forward-only and scrollable/updateable ResultSets, concurrent (completely
independent) Statements and implementing all the DatabaseMetaData and
ResultSetMetaData methods.