SQL看看有多少男性和雌性在同類型

Question

以上是我參加的表，我的問題是，我想看看有多少男性和女性是相同類型的參與者。以下是我擁有的計算每種類型參與者人數的代碼。

SELECT type_parti, COUNT(1) FROM tbl_participants GROUP BY type_parti 

Answer 1

使用條件和

SELECT type_parti, 
     sum(sex = 'm') as males, 
     sum(sex = 'f') as females 
FROM tbl_participants 
GROUP BY type_parti