MySql字符串拼接函数(CONCAT,GROUP_CONCAT)

字符串拼接CONCAT

SELECT CONCAT("姓名:",NAME,"年龄:",age) AS MSG FROM student;

 

字符串拼接组函数GROUP_CONCAT (可以选择分割符,排序操作)

SELECT GROUP_CONCAT(NAME ORDER BY ID SEPARATOR '|') as NAME FROM area GROUP BY pId