Conclusion
Web services are modular applications that can be described, published, located, and invoked over a network through standardized XML messaging. Using XML as the data representation layer for all Web Services protocols and technologies that are created makes these technologies interoperable at their core level. As a data transport, XML eliminates any networking, operating system, or platform binding that a protocol has. XML is used to define technologies such as the Simple Object Access Protocol (SOAP), the Web Services Description Language (WSDL), and Universal Description, Discovery and Integration (UDDI).
PowerBuilder 9 embraces all these Web services standards to support developers in publishing and editing data, as well as exchanging ...
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