#xquery performance

XQUERY DESIGN PRINCIPLES #FOUR

Avoid unnecessary sorting XQuery is a language where most of our work revolves around parsing XML and getting data out of XML using XPath. This practice emphasize the need to avoiding unnecessary sorting and path expresssion which doesn’t seem an overhead at once but it build on quite fast when implementing large XQuery modules. Lets look at a common example: In the above example, you see we are…