A numeric value will be faster in most cases. The reason being that a
comparison between two numbers at most takes 1 comparison... but a
comparison for a char at most takes n comparisons (n being the length of the
field/string). In addition a numeric value would take less space... all
around its a
> I have a table with (char)Username attribute which is the primary
> key of the table and also acts as a foreign key in many other tables.
>
> My question is if the queries would be faster if i used a numeric
> value for the primary key?
Integers would be faster, but the question is really
