On Thu, Jun 05, 2003 at 20:25:32 +0530,
[EMAIL PROTECTED] wrote:
>
>
> hi ,
>
> Is there any way to enforce fkeys only on subset of
> the table something on the lines of unique partial indexes
>
> or any work around ? (on update or insert trigger is the only thing i can think of)
If the foreign column is null it isn't checked against the other table.
You can probably use this to do what you want.
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