Using the distinct function in SQL

Question

I have a SQL query I am running. What I was wanting to know is that is there a way of selecting the rows in a table where the value in on one of those columns is distinct? When

Answer 1

select cola,colb,colc 
from yourtable
where cola in 
(
  select cola from yourtable where your criteria group by cola having count(*) = 1
)