setting null constraints on columns
From: Gerald Aden <gerald_at_atlas.com>
Date: Fri, 8 Jul 1994 16:17:29 GMT
Message-ID: <1994Jul8.161729.12080_at_atlas.com>
Date: Fri, 8 Jul 1994 16:17:29 GMT
Message-ID: <1994Jul8.161729.12080_at_atlas.com>
Is there any way to specify null constraints on two columns that specifies that one of the columns can be null but not both.
Please email you responses since I don't get much of a chance to read Usenet.
Thanks in advance,
Gerald Aden
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Gerald Aden EMAIL: gerald_at_atlas.com Atlas Telecom VOICE: [USA] 1+503.228.1400 x659 4640 SW Macadam Ave. FAX1: [USA] 1+503.225.5518 Portland, OR 97201 FAX2: [USA] 1+503.228.0368Received on Fri Jul 08 1994 - 18:17:29 CEST
--
Gerald Aden EMAIL: gerald_at_atlas.com Atlas Telecom VOICE: [USA] 1+503.228.1400 x659 4640 SW Macadam Ave. FAX1: [USA] 1+503.225.5518 Portland, OR 97201 FAX2: [USA] 1+503.228.0368