我下面的查询shoqing一个非常奇怪的错误:内连接问题mysql的
说法是正确的
SELECT
users.age,
users.firstname,
users.lastname,
users.`gender`,
users.username,
users.`password`,
users.id_user_type,
gender.id
FROM
user_types
INNER JOIN users ON `gender`.id = users.gender
性别也有ID,性别为两列
错误我是另一个表越来越
[SQL]SELECT
users.age,
users.firstname,
users.lastname,
users.`gender`,
users.username,
users.`password`,
users.id_user_type,
gender.id
FROM
user_types
INNER JOIN users ON `gender`.id = users.gender
[Err] 1054 - Unknown column 'gender.id' in 'on clause'