Microsoft said its upcoming hosted database service will switch from standard Web programming interfaces to the same relational one used by its on-premise counterpart. SQL Server Data Services (SDS) will connect to database applications via Tabular Data Stream (TDS), the same protocol used by SQL Server, according to a post. TDS is compatible with Transact-SQL (T-SQL), a proprietary version of the SQL language long used by database developers to write applications for every major database. T-SQL works with SQL Server and Sybase's Adaptive Server Enterprise.

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