Reading XML from Database

The northwind sample database 2008R2 has resumes stored in XML format.  Does anyone have an example of how to read and save xml data from and to?

I want to build a resume editing tool.
Annette Wilson, MSISSr. Programmer AnalystAsked:
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Kumaraswamy RCommented:


--Read from XML Data using OpenXML
DECLARE @DocHandle int
DECLARE @XmlDocument nvarchar(1000)

SET @XmlDocument = N'<polist>

EXEC sp_xml_preparedocument @DocHandle OUTPUT, @XmlDocument

SELECT * FROM OPENXML (@DocHandle, '/polist/po',2)
WITH (ponumber nvarchar(10),
podate datetime)

EXEC sp_xml_removedocument @DocHandle

--Read from XML Data using code snippet
DECLARE @xml xml
SET @xml = N'<polist>
 doc.col.value('ponumber[1]', 'nvarchar(10)') ponumber
,doc.col.value('podate[1]', 'datetime') podate
FROM @xml.nodes('/polist/po') doc(col)

--Read from XML Data using attributes instead of elements:

DECLARE @xml1 xml
SET @xml1 = N'<polist>
               <po ponumber="100" podate="2008-09-10" />
               <po ponumber="101" podate="2008-09-11" />
                        <po ponumber="102" podate="2009-09-11" />
 doc.col.value('@ponumber', 'nvarchar(10)') ponumber
,doc.col.value('@podate', 'datetime') podate
FROM @xml1.nodes('/polist/po') doc(col)

Kumaraswamy RCommented:
The System.Xml namespace contains major XML classes. This namespace contains many classes to read and write XML documents. In this article, we are going to concentrate on reader and write class. These reader and writer classes are used to read and write XMl documents. These classes are - XmlReader, XmlTextReader, XmlValidatingReader, XmlNodeReader, XmlWriter, and XmlTextWriter. As you can see there are four reader and two writer classes.

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Annette Wilson, MSISSr. Programmer AnalystAuthor Commented:
Thank you.
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