SQL/XML is an XML extension of the Structured Query Language, which allows you to retrieve relational data using extended SQL syntax, and produce an XML result. You can generate SQL/XML queries for global elements in your XSM, whatever the targeted XML language (XSD, DTD or XDR).
XMLELEMENT - to edit an element with a name, a list of attributes (optional) and a list of values (optional)
XMLATTRIBUTES - to edit a list of attributes with names and values
XMLAGG - to edit in multiple rows a concatenation of elements, from a single XML value corresponding to a single column
XMLCONCAT - to edit in the same row a concatenation of elements, from several XML values corresponding to several columns
XMLFOREST - to edit in the same row a concatenation of elements, from several SQL values corresponding to several columns. The name and value of a column become the name and value of an element