Subject | Re: [firebird-support] Performance implications of BIGINT vs INTEGER primary keys |
---|---|
Author | Ann W. Harrison |
Post date | 2005-02-13T20:33:26Z |
sugi wrote:
you'll get less compression with bigger keys than with smaller, but
that's it. Between prefix and suffix compression, the size of the
underlying field is really not significant.
Regards,
Ann
>None. None at all. Well, if the numbers are random across the range,
> I'm wondering if there's an associated performance penalty for using
> BIGINT as opposed to INTEGER for primary/surrogate keys. Would anyone
> have a ballpark figure / estimation of how much slower it would be?
>
you'll get less compression with bigger keys than with smaller, but
that's it. Between prefix and suffix compression, the size of the
underlying field is really not significant.
Regards,
Ann