MySQL的發現重複

Question

這是表

fid uid time 
12 34 1 
1 34 2 
15 34 5 
1 33 10 
12 33 10 
1 33 12 
13 33 15 
16 34 123 
22 32 453 
1 32 456 
1 33 457 
1 32 460 

現在我要統計每個uid其中time is >9和fid=1 像這樣

uid  number of duplications 
33  3 
32  2 

Answer 1

SELECT uid, COUNT(*) FROM table WHERE fid=1 AND `time` > 9 GROUP BY uid 

數