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

This query returns all the IDs where the COLOR is red or blue but not both.

select id , color
from  your_table 
where color in ('red', 'blue')
and id in (
    select id 
    from   your_table 
    where color in ('red', 'blue')
    group by id 
    having count(*) = 1)