Concatenating column from many side of one-to-many into single record using STUFF

Posted on January 2, 2011 by Jennifer Phillips Campbell 

SELECT OneTable.col1, OneTable.col2, 
     STUFF (
          (
               SELECT ' ' + mt.col1
               FROM ManyTable mt
               WHERE mt.foreignkeycol = OneTable.primarykeycol 
               FOR xml path('')
          ),
          1, 1, ''
     ) AS concatenatedcol
FROM  OneTable


Note: remember the '' in the inner SELECT statement, otherwise the concatenated column will contain XML tags (with the first bracket stripped).

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About Jennifer Phillips Campbell

Software Developer and Medieval Historian
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