Tuesday, 13 March 2012

Protocol layer

Protocol band accouterments the alien interface to SQL Server. All operations that can be invoked on SQL Server are announced to it via a Microsoft-defined format, alleged Tabular Abstracts Stream (TDS). TDS is an appliance band protocol, acclimated to alteration abstracts amid a database server and a client. Initially advised and developed by Sybase Inc. for their Sybase SQL Server relational database agent in 1984, and after by Microsoft in Microsoft SQL Server, TDS packets can be encased in added concrete carriage abased protocols, including TCP/IP, Named pipes, and Shared memory. Consequently, admission to SQL Server is accessible over these protocols. In addition, the SQL Server API is additionally apparent over web services.31

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