GROUP_CONCAT(exp) 需与group by语句在一起使用
SELECT username,GROUP_CONCAT(address) FROM pinjie GROUP BY username;
SELECT username,GROUP_CONCAT(address separator ",") FROM pinjie GROUP BY username;

SELECT name ,GROUP_CONCAT(address order by address desc separator "#") address FROM t_aa GROUP BY name;

mysql函数
标签:技术 esc post bsp from 语句 order by user info