Does anyone have considerable proof that CHAR is faster than VARCHAR?

Question

Any benchmark, graph anything at all ? Its all academic and theoretical across the web.

Ok its not the first time that this question has been asked, they all say th

Answer 1

The point is, it is not. Not by itself anyway.

What is true however, is that if there are only fixed width fields in the table, MySQL does not need to perform some calculations to find out the beginnings of each field.

Also there might be a difference for very short fields. If you compare CHAR(1) vs VARCHAR(1), the latter takes twice as much memory as the first (in single byte encodings)