How to select datas that doesnt match in another column

Question

So i have this table A:

color        ID       MODEL
-----------------------------
red        | 10   |   HONDA
blue       | 10   |   TOYOTA
red        | 15   |            


        

Answer 1

Something like this

SELECT * 
FROM   yourtable 
WHERE  id IN (SELECT id 
              FROM   youtable 
              GROUP  BY id 
              HAVING Count(case when color IN ( 'red', 'blue' ) then 1 end) = 1)