Drop 'NOT NULL' Constraint

From: Chris Rezek <crezek_at_dotclick.com>
Date: Wed, 23 May 2001 13:40:47 -0700
Message-ID: <F001.0030C6B0.20010523131529@fatcity.com>

I created a table with a 'NOT NULL' constraint on a VARCHAR2 column. I would like to remove the NOT NULL constraint. I've tried a couple of 'ALTER TABLE' commands but no luck.

How does one do this?

Also:

How does one figure out which generated constraints (from user_constraints) do what?

Chris Rezek
Database Administrator
DotClick
http://www.dotclick.com
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Author: Chris Rezek
INET: crezek_at_dotclick.com

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