Microsoft SQL Server
All versions of Microsoft Windows SQL Server. In IT, Microsoft SQL Server is a relational DBMS (Relational Database Management System RDBMS), produced by Microsoft. Microsoft SQL Server uses a variant of the standard SQL language called "Transact-SQL" (T-SQL). Both Microsoft SQL Server and Sybase Adaptive Server Enterprise communicate on the network using an application layer protocol called "Tabular Data Stream" (TDS). SQL Server also supports "Open Database Connectivity" (ODBC). The SQL Server service responds by default to port 1433.