如何在 SQL 中将一列堆叠在一起？

Question

I have a employee table:

I want to get the avg salary of male and female but I want the results to be next to each other rather than in the same column. Right now this is what I get:

But I just want the results to look like this:

How do I tweak my query?

Answer 1

Please try below query:

select coalesce(avg(case when sex='M' then salary else null end),null) as Male,coalesce(avg(case when sex='F' then salary else null end),null) as Female
  from employee