mysql多行多列合并为一行一列

ref : http://blog.csdn.net/priestmoon/article/details/7677452

group_concat:

group_concat(distinct name)

group_concat(name separator ‘;‘)  // 默认是,


group_concat(name order by name desc)

SELECT * FROM shelvesopbusinessrel;

SELECT s0.id,s0.listNum,s0.warehouseId,s0.businessQuantity,s0.productQuantity,s0.printDate,group_concat(rel.businessNum)
FROM shelvesoplist s0
left join shelvesopbusinessrel rel
on s0.id = rel.shelvesOpListId
GROUP BY s0.listNum
ORDER BY s0.id DESC
;

原文：http://www.cnblogs.com/shouwangzhe-/p/4386517.html