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

You will need to say how your data is stored in-memory for us to say how you can query it.

But you could do a separate query to just get the distinct teachers.

select distinct teacher from class