From: | Oliver Kullmann <O(dot)Kullmann(at)swansea(dot)ac(dot)uk> |
---|---|
To: | pgsql-novice(at)postgresql(dot)org |
Subject: | how to rename an unnamed uniqueness constraint? |
Date: | 2005-08-16 16:43:53 |
Message-ID: | 20050816164353.GA7702@cs-wsok.swansea.ac.uk |
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Thread: | |
Lists: | pgsql-novice |
Hello,
I have a table created with
CREATE TABLE Current_academic_year
(
year_id INT REFERENCES Academic_years,
CONSTRAINT year_id CHECK(year_id IS NOT NULL),
active BOOL NOT NULL,
UNIQUE(year_id),
UNIQUE(active)
)
;
Now I need to drop the constraint "UNIQUE(active)".
I tried variations of
ALTER TABLE current_academic_year DROP CONSTRAINT "???"
but I didn't succeed.
I'm using version 7.4.8.
Thanks in any case for your efforts!
Oliver
P.S. The "documentation" regarding the e-mail lists is
really the most arcane I've ever seen. I have no idea how
I'm supposed to post to a list, and/or to receive mails.
Of course I tried
http://mail.postgresql.org/mj/mj_wwwusr/domain=postgresql.org
and the help pages etc.: I always get "unsuccessful" back,
and the e-mails I get from "majordomo" just tell me that I
was unsuccessful (with registration).
And then there is "Sign in", "Sign out" ???
Just one paragraph about the idea how the average *novice*
should post a question and read the answer would be quite
useful.
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