Another common mistake is to forget that XML is case-sensitive. All of the elements and attributes must be specified according to the XML Schema for the database schema. In addition, you should include the XML declaration and XML schema specification in your database schema file. This helps to detect errors in the schema file easily.
For additional information on the XML elements and attributes, please refer to the Torque Schema XSD.
Both links are pointing to the strict version of the schema:
I think the 2nd link should point to: