Re: performance of foreign key constraints

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От teknokrat
Тема Re: performance of foreign key constraints
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Msg-id bilkf9$p4n$1@news.hub.org
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Ответ на Re: performance of foreign key constraints  (Rod Taylor <rbt@rbt.ca>)
Список pgsql-performance
Rod Taylor wrote:
>>The references are all to the same table i.e. they are employee ids, so
>>leaving some and not others would make no sense. The table has no
>>deletes, small amount of inserts and moderate amount of updates. However
>>there are many selects and its their performance I am most concerned with.
>
>
> Foreign keys have no impact on selects.
>
> Although this does sound like a rather strange design to me (20+ columns
> wide and they're all employee ids?)

There are more than 20 fieldss. Its a report that can get updated by
different employees and we wish to keep a record of which employee
completed which section. Couldn't think of any other way to do it.


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