On 2012-11-05, Moshe Jacobson <moshe(at)neadwerx(dot)com> wrote:
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> Is there any practical difference between defining a column as a
> varchar(n)vs. a varchar
> vs. a text field?
>
> I've always been under the impression that if I am wanting to index a
> varchar column, it is better to set a maximum length.
It doesn't really matter, the index itself will impose the limit
(unless you use a hash index where ther is no limit)
> But more importantly, what's the practical difference between varchar with
> no limit and text?
text is immeasurably faster.
> Thanks, and apologies if this is a FAQ...
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