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Showing posts with the label OPENXML

Processing XML i SQL SERVER 2008

Many times our application uses data from external suppliers. These data, mostly recived by the Internet, is written in XML format and has different from our data mode structure. But it`s still very important for us so we want to process them by extracting data from. Of course we may procesing XML  documents in CLR or simple .NET project and than pass them to database but we should this about performance of each our solution. For example if we recieved 100MB XML  document from supplier and we processed them we still need to send those data to our database which means  that we have to pass data by the network- it`s very costly... Now assume that the same operation, connected with proccessing XMLdocuemnt, can be done in SQL SERVER side. Looks great don`t You? So let`s begin. First of all we should learn something more about three things: master.dbo.sp_xml_preparedocument : start preparing passed text as XML document with chec