Updating xml in sql
The XQuery Update Facility is a relatively small extension of the XQuery language which provides convenient means of modifying XML documents or data.
As of March 14, 2008, the XQuery Update Facility specification has become a "Candidate Recommendation", which means it is now pretty stable. The answer seems obvious, yet after all the XQuery language itself - or its cousin XSLT2 - is powerful enough to write any transformation of an XML tree.
Hi Guys, I have a pile and by pile i mean over 1000 product nodes in different folders in my content tree..
by accident i didn't assign a value to a "productaddeddate" property for the bulk of them and so the date has defaulted to '1900-01-01' I was wondering how I could loop through all of them and update them or is there some sql script i could use to update the xml for all and set the value to something else for all of them where their current property value is '1900-01-01'?
A bit ironically, no error is generated for meaningless but non ambiguous conflicts, for example both renaming and deleting the same node (The XQuery Update Facility is a powerful, convenient and elegant extension of the XQuery language, in spite of a few peculiarities that can be slightly off-putting for programmers.
There is a big performance saving if your change is small (say an attribute value) when comparing to the total size of the document.as first child in the demopo:purchase Order element for ID=4. In this example, we use XML publishing function (XMLCOMMENT) to create the source.UPDATE CUSTOMERSET CUSTXML= XMLMODIFY( 'declare namespace demopo=" Order.com/purchase Order"; insert nodes $remark as first into /demopo:purchase Order', XMLCOMMENT('This is an urgent order!This tutorial attempts to give a quick yet comprehensive practical introduction to the XQuery Update extension, while highlighting some of its peculiarities.Prerequisites: the reader is presumed to have some acquaintance with XML Query and its (or contents) of the same node.