表结构如下图所示:
当 sex = ‘男’ 时显示man,sex = ‘女’ 时显示women,查询语句为:
SELECT username,
DATE_FORMAT(birthday,'%Y-%m-%d %H:%i:%s'), -- 日期格式化
sex,
CASE WHEN sex = '男' THEN 'man' WHEN sex = '女' THEN 'woman' ELSE '' END AS sex
FROM USER
结果如下图所示:
表结构如下图所示:
当 sex = ‘男’ 时显示man,sex = ‘女’ 时显示women,查询语句为:
SELECT username,
DATE_FORMAT(birthday,'%Y-%m-%d %H:%i:%s'), -- 日期格式化
sex,
CASE WHEN sex = '男' THEN 'man' WHEN sex = '女' THEN 'woman' ELSE '' END AS sex
FROM USER
结果如下图所示: