Subject Re: [firebird-support] varchar in indexes
Author robert-wagner@t-online.de
Ann,

"Ann W. Harrison" schrieb:
>
[snip]
> >Suppose the country code varchar(2), is it good, bad, or neutral?
>
> Bad. Don't use varchar for character strings less that four characters
> long or for fixed length character strings.
>
> Regards,
>
> Ann


why is it bad to use varchar for character strings less than four
characters? Only because of the 2 extra bytes holding the string length
or are there other things?



Cheers,

Robert