mysql GROUP_CONCAT 函数 将相同的键的多个单元格合并到一个单元格

Posted 2020-09-03 MicrobeORM

mysql GROUP_CONCAT 函数 将相同的键的多个单元格合并到一个单元格

MemberID          MemberName              FruitName
--------------    ---------------------   --------------
1                  Al                     Apple
1                  Al                     Cherry

Desired output

MemberID           MemberName            FruitName
-----------        --------------        ------------
1                  Al                    Apple, Cherry

3down voteaccepted

GROUP BY MemberName and GROUP_CONCAT(FruitName). For example, SELECT MemberId, MemberName, GROUP_CONCAT(FruitName) FROM a LEFT JOIN b ON a.MemberName = b.MemberName GROUP BY a.MemberName;