Over the past 2 months, my columns have covered methods for storing open content in and retrieving it from your SQL Server database. Those articles showed how to use OpenXML to store open content as XML fragments in a column of your database (an XML fragment is a well-formed subset of an XML document). This method works well unless you ever need to query data stored as open content. For example, after you deploy the application, you might decide to extract one or more data items and store them i...