mysql查詢多個項目的訂單

Question

是可以按多個訂單排序嗎？

我希望我的用戶通過last_activity進行排序，但在同一時間，我想用圖片的用戶的人出庭，而不

事情是這樣的：

SELECT some_cols 
FROM `prefix_users` 
WHERE (some conditions) 
ORDER BY last_activity, pic_set DESC; 

Answer 1

SELECT some_cols 
FROM prefix_users 
WHERE (some conditions) 
ORDER BY pic_set DESC, last_activity; 

Answer 2

排序圖片，然後按活動：

SELECT some_cols 
FROM `prefix_users` 
WHERE (some conditions) 
ORDER BY pic_set, last_activity DESC; 

Answer 3

SELECT id, user_id, video_name 
FROM sa_created_videos 
ORDER BY LENGTH(id) ASC, LENGTH(user_id) DESC