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Q: how to drop NOT-NULL constraint on a column?!

From: David K. Van Zandt <dvanzandt_at_iquest.net>
Date: 1997/11/27
Message-ID: <347DAFD1.D2CDEA73@iquest.net>#1/1 







Hi all, a question on which I'm not finding a book answer -- used to be,
that the only way to change a table column from NULL to NOT NULL, or
back, was to export, drop the table, recreate it, and re-import.



For Oracle 7.1 and above, is there an easier way?  It seems to be the
only table constraint one cannot drop....  TIA!


--
Dave Van Zandt, CDP


(work) dvanzand@IndyGov.org  http://www.IndyGov.org

(pers) dvanzandt@iquest.net  http://members.iquest.net/~dvanzandt



Received on Thu Nov 27 1997 - 00:00:00 CST












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