Microsoft® Office InfoPath™ 2003 Kick Start

The .xsd Schema Files

An InfoPath form template has one or more W3C XML Schema documents (.xsd files), which specify the permitted structure for the XML data that makes up the data source of the InfoPath form template. At least one W3C XML Schema document is created in the form template, whether you use an XML file, a W3C XML Schema document, a relational database, or an XML Web service as the data source when you initially create the form template.

When there is more than one W3C XML Schema document in a form template, then one W3C XML Schema document will reference the others using, for example, the xsd:import element. If you create a form template from an Access or SQL Server database that uses data from more than one table, you can expect ...