select _size from clothes where measurementNo='M11-031-M1' for xml path('')
2)
select ','+_size from clothes where measurementNo='M11-031-M1' for xml path('')
3)去掉逗号
select stuff((select ','+_size from clothes where measurementNo='M11-031-M1' for xml path('')),1,1,'')
4)
SELECT measurementNo, sizes= stuff( (SELECT '/'+_size FROM clothes c1 //c1不能少 WHERE measurementNo=c2.measurementNo FOR xml path('') ),1,1,'') FROM clothes c2 group by measurementNo
参考:http://blog.csdn.net/dobear_0922/article/details/2313839