On Mon, May 9, 2011 at 4:33 PM, mauro russo <m(dot)russo(at)uniplan(dot)it> wrote:
> Dears,
>
> what system table contains constraints declarations/features?
>
>
Constraints information stored in " pg_constraint" catalog table. Use
pg_get_constraintdef() to extract the definition of the check constraints.
http://www.postgresql.org/docs/9.0/interactive/catalog-pg-constraint.html
--Raghu Ram
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