Mailbox-Line: From mallah@trade-india.com  Sat Jul  6 01:00:16 2002
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From: "Rajesh Kumar Mallah." <mallah@trade-india.com>
Organization: Infocom Network Limited.
To: "Christopher Kings-Lynne" <chriskl@familyhealth.com.au>,
	<pgsql-sql@postgresql.org>
Subject: Re: Is Dropping a column "CHECK" constraint possible?
Date: Sat, 6 Jul 2002 10:33:16 +0530
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Yup it did!.
Thanks a ton,

it was there in the ALTER TABLE documentation
i overlooked :-(

regds
mallah.


On Saturday 06 July 2002 10:05, Christopher Kings-Lynne wrote:
> > can anyone please help?
> > i have a to drop a check contstraint from a column. eg
> >
> > tradein_clients=3D# \d t_a
> >            Table "t_a"
> >    Column   |  Type   | Modifiers
> > ------------+---------+-----------
> >  company_id | integer |
> >  exp        | text    |
> >  imp        | text    |
> > Check constraints: "$1" (length(imp) > 1)
> >                    "aaaaaq" (length(imp) > 1)
> >
> > Can i remove to contraints thru ALTER TABLE or similar commands.
> > I have read the docs for ALTER TABLE but the command described is
> > not working for me.
>
> This should work, so long as you're using postgres 7.2+
>
> ALTER TABLE "t_a" DROP CONSTRAINT "aaaaaq" RESTRICT;
>
> Chris

--=20
Rajesh Kumar Mallah,
Project Manager (Development)
Infocom Network Limited, New Delhi
phone: +91(11)6152172 (221) (L) ,9811255597 (M)

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