NOT NULL, FOREIGN KEY(user_id) REFERENCES users(id) SUM(SELECT COUNT(photos.id) AS total JOIN photos ONusers.id = photos.user_id
GROUP BY users.id); 我想得到"total“列<e
在使用MySQL时,我会得到这个错误,并且无法解决如何修复它。)[11:11:37 WARN]: at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860)
[11:11:37 WARN]: at com.mysql.jdbc.PreparedStatement.check