Re: Difference between char and varchar

Bruno Wolff III a écrit :
> On Mon, Aug 28, 2006 at 15:04:26 -0400,
>   Richmond Dyes <rdyes@monroehosp.org> wrote:
>
>> I know the difference between char and varchar is char is fixed length
>> and varchar returns variable length.  Which one should be used and why?
>>
>
> You normally want to use 'text' instead of either 'char' or 'varchar'.
> Unless there is a business rule limiting the length of a string (and sometimes
> not even then) you want to use 'text' as it is more flexible.
>
But it is not 'standard' sql, so it won't be portable to other
databases, if needed.