What are the advantages of storing xml in a relational database?

Posted by Chris on Programmers See other posts from Programmers or by Chris
Published on 2011-01-19T15:14:22Z Indexed on 2011/02/14 7:33 UTC
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database

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Xml

I was poking around the AdventureWorks database today and I noticed that a number of tables (HumanResources.JobCandidate and Sales.Individual for example) have a column which is storing xml data.

What I would to know is, what is the advantage of storing basically a database table row's worth of data in another table's column? Doesn't this make it difficult to query off of this information? Or is the assumption that the data won't need to be queried and just needs to be stored?

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