You create  an XML Table Column as follows:
        
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                Create a column by opening the property sheet of a table, clicking the Columns tab and clicking the Add a Row tool.
            
 
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                Open the property sheet of the new column by clicking the properties tool, and then select XML from the list of Data types on the General tab.
            
 
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                Click the Microsoft tab and specify an XLM schema collection and content type.
            
 
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                Click OK to confirm your changes and close the property sheet.