查詢以返回6個月以上的值

Question

這是到目前為止的代碼

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

user_last_login的格式為yyyy-mm-dd

Answer 1

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

要么

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

要么

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