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TREX Basics

by J. David Eisenberg – In this article, we'll explore the TREX markup language for validating XML documents, focusing on validating a subset of XMLNews-Story Markup Language. Although the XMLNews-Story markup language has been superseded by the News Industry Text Format, we use the old version

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A Web Services Primer

by Venu Vasudevan – Looking back over the last six years, it is hard to imagine networked computing without the Web. The reason why the Web succeeded where earlier hypertext schemes failed can be traced to a couple of basic factors: simplicity and ubiquity. From a service provider's (e.g. an e-s

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Using Application Roles

SQL Server contains two kinds of roles: standard roles and applicaton roles. Standard roles function like groups. For standard roles, users are assigned to the roles and then permissions are granted to those roles. Both types of roles can be created using the Enterprise Manager.