Namespace declarations : example of catalog (cat) and products (prod) : <cat:catalog xmlns:cat=”http://datypic.com/cat” xmlns:prod=”http://datypic.com/prod”> <cat:number>1446</cat:number> <prod:product> <prod:number>565</prod:number> <prod:name prod:language=”en”>Sun Hat red</prod:name> </prod:product> </cat:catalog> Xqurery and Namespaces declarations in xquery file : How to Declare a name space and xquery loop function (in your file.xquery) ┬áBaseX as an xquery tool : BaseX is a very light-weight, [...]