Обсуждение: foreign key performance

Hi folks,


do foreign keys have any influence on performance (besides slowing
down huge inserts) ? do they bring any performance improvement ?


thx
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On Fri, Apr 22, 2005 at 02:06:15AM +0200, Enrico Weigelt wrote:

> do foreign keys have any influence on performance (besides slowing
> down huge inserts) ? do they bring any performance improvement ?

No.  They only cause additional tables to be visited to enforce them.

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Alvaro Herrera (<alvherre[@]dcc.uchile.cl>)
"Ciencias políticas es la ciencia de entender por qué
 los políticos actúan como lo hacen"  (netfunny.com)