Can you use an alias in the WHERE clause in mysql?

Question

I need to use an alias in the WHERE clause, but It keeps telling me that its an unknown column. Is there any way to get around this issue? I need to select records that have

Answer 1

Dunno if this works in mysql but using sqlserver you can also just wrap it like:

select * from (
  -- your original query
  select .. sum(reviews.rev_rating)/count(reviews.rev_id) as avg_rating 
  from ...) Foo
where Foo.avg_rating ...