MySql query BETWEEN two Strings sometimes doesn't work

Question

I have a mysql query where a subquery is:

BETWEEN \'5.00\' AND \'10.00\' 

And this returns no results.

However when I use Floats o

Answer 1

There is a difference between strings and integers -- there is a reason why you have several different datatypes :

When comparing integers, you are comparing their numerical values ; i.e. 10 is bigger than 5.

When comparing strings, you are using an alphabetical comparison ; i.e. '10' is smaller than '5', because '1' is smaller than '5'.