#字段: birthday
#存储格式: date [ 2000-08-16 ]
SELECT birthday , IFNULL(TIMESTAMPDIFF(YEAR, birthday, CURDATE()),0) AS age FROM `user_info`
#字段: birthday
#存储格式: date [ 2000-08-16 ]
SELECT birthday , IFNULL(TIMESTAMPDIFF(YEAR, birthday, CURDATE()),0) AS age FROM `user_info`