Several SQL-to-XML conversion and translation tools are available. The Enterprise and Professional versions of the XMLSpy products from Altova.com can produce an XML schema from a relational database.

Q: I want to convert the database definition of an existing SQL database into an XML schema, so I can use the schema with model-driven development tools (Eclipse Modeling Framework) to create a ...

Open XML File Format Converter for Mac 1.0 is a 45 MB download and takes up 182 MB on disk. It's available in localized English, German, Spanish, French, Italian, Japanese, Dutch and Swedish versions.