Web Services History and Overview

Web services are supported on most major software platforms and can be built using Integrated Development Environments (IDEs) that comply with a few key World Wide Web Consortium (W3C) recommendations:

Web Services Description Language (WSDL)—WSDL is the XML grammar used to specify the functions and types (known as its interface) of a web service.

Simple Object Access Protocol (SOAP) 1.2—SOAP is the network transport-layer protocol for web services.

Until now, Open Database Connectivity (ODBC) and Tabular Data Stream (TDS; a proprietary protocol developed by Sybase) were the only means available for clients to access SQL Server data. But because the web service standards are nonproprietary (although there ...

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