The SQL/XML specification, developed as Part 14 of the SQL standard, addresses such issues as the following:
Representing SQL in XML form, and vice versa
Mapping SQL schemata to and from XML schemata
Representing SQL schemas in XML
Representing SQL actions (insert, update, delete)
Messaging for XML when used with SQL
Using the SQL language with XML
Copies of this specification can be purchased from ISO’s web site at http://www.iso.ch.