sql逗号

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1.原始

2.利用语句

SELECT  B.tablename ,
        LEFT(StuList, LEN(StuList) - 1) AS ArrayList
FROM    ( SELECT    tablename ,
                    ( SELECT    columnname + ‘,‘
                      FROM      DataService
                      WHERE     tablename = A.tablename
                    FOR
                      XML PATH(‘‘)
                    ) AS StuList
          FROM      DataService A
          GROUP BY  tablename
        ) B

sql逗号

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原文地址：http://www.cnblogs.com/hamilton/p/5903386.html