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
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