mysql查找重复项
这是桌子mysql查找重复项,mysql,Mysql,这是桌子 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 现在我想计算每个uid的数量,其中时间>9和fid=1 像这样 uid number of duplications 33
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
现在我想计算每个uid
的数量,其中时间>9
和fid=1
像这样
uid number of duplications
33 3
32 2
SELECT uid, COUNT(*) FROM table WHERE fid=1 AND `time` > 9 GROUP BY uid