DBC ensuring your applications don't fail due to a missing database structure object DBC (Database Compare) is a fast, comprehensive database structure and data comparison tool. DBC can compares the schema of two Microsoft SQL Server databases and quickly locates the differences in tables, views, stored procedures or any other object in the database(even included Service Broker) . DBC knows that the dependence relationship is the key to success. Compare data between different SQL Server databases and tables.It supports user defined key specification as well as Primary key or unique key . DBC support mssql2000, mssql2005, mssql2008 (future) .