查询以返回超过6个月前的值

Question

这是迄今为止的代码

$result = mysqli_query($con,"SELECT * FROM users WHERE User_Last_Login> ");

user_last_login的格式为yyyy-mm-dd

Answer 1

SELECT * FROM users WHERE User_Last_Login < DATE_SUB(NOW(), INTERVAL 6 MONTH)

或

SELECT * FROM users WHERE User_Last_Login < NOW() - INTERVAL 6 MONTH

或

SELECT * FROM users WHERE User_Last_Login < DATE_SUB(CURDATE(), INTERVAL 6 MONTH)