【问题标题】:one to many relations data fetch from database mysqlone to many relations data fetch from database mysql 【发布时间】:2022-12-31 16:11:15 【问题描述】: This is my clockin table: This is my user table: I want to accepted output in this type: 标签: mysql 【解决方案1】: Try with: SELECT u.emid, u.name, c.date, GROUP_CONCAT(c.time) AS time FROM user u LEFT JOIN clockin c ON u.emid = c.emid GROUP BY u.emid, u.name, c.date