MySQL函数
时间：2022-03-15 18:21
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;
