On Jan 27, 2007, at 16:55 , Bruno Wolff III wrote:
On Fri, Jan 26, 2007 at 10:41:26 +0100,
Tomas Vondra <[EMAIL PROTECTED]> wrote:
in our application we need to implement a constraint that enforces
'at
most N rows with this value', that is we have a table with 'flag'
column
and for eac
On Fri, Jan 26, 2007 at 10:41:26 +0100,
Tomas Vondra <[EMAIL PROTECTED]> wrote:
>
> in our application we need to implement a constraint that enforces 'at
> most N rows with this value', that is we have a table with 'flag' column
> and for each value there should be at most 10 rows (for exampl
