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What are XML Schemas?

April 26, 2017schemas XML

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What are XML Schemas?

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Schemas are a way of validating the structure and data content of an XML file. For example, they could determine if bounding coordinates were within a valid range and contained a sufficient number of digits. It is a replacement for DTD or “document type definition.” They are currently only used within ArcIMS. The USGS metadata parser (mp) serves this function for XML metadata currently using a DTD. Note: a different type of “schema” is used in geodatabases to validate their structure and data.