With XML support in SQL Server 2000, you can query SQL over HTTP with a URL, bring the data down to the browser, and manipulate it on the client machine. By adding Internet Explorer 5.0 to the mix and using XSL to convert the XML to HTML, you can lighten the load on your database server. Going still one step further, by using Vector Markup Language you can even create drawings on the fly using the data from your SQL queries. This article illustrates this combination of technologies by leading you through the creation of a Web app that queries a digitized street map database that's been imported into a SQL Server database, sorts and displays the data using XML, and draws maps using VML.
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