i'm trying to find the percentage of my users whose birth date is between 1980 and 1996.
I can't find how to do it:
SELECT Sum
(WHEN userBirthDate BETWEEN '1980/01/01' AND '1996/12/31'
THEN 1 ELSE 0 END) * 100 / Count(userID) as total
FROM user
The error mysql returns is syntax:
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHEN userBirthDate BETWEEN '1980/01/01' AND '1996/12/31' THEN 1 ELSE 0)' at line 1
how can i do it?
Thank you in advance
SELECT Sum(case WHEN userBirthDate BETWEEN '1980/01/01' AND '1996/12/31'
THEN 1
ELSE 0
END) * 100 / Count(userID) as total
FROM `user`
or just
SELECT Sum(userBirthDate BETWEEN '1980/01/01' AND '1996/12/31') * 100 / Count(userID) as total
FROM `user`