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CUSTOM data integrity constraint

From: Nandakumar <N.Kumar_at_rocketmail.com>
Date: Tue, 24 Aug 1999 16:41:42 GMT
Message-ID: <7pui04$62v$1@nnrp1.deja.com> 





Hi,



There are two fields in a table which are of datatype varchar2.
Say Field1, Field2.


When Field1 is NON NULL, Field2 CAN'T be NULL.
How could i impose this as a constraint to one of the fields?
...


I think this is achievable with INSERT trigger.
--


Nandakumar


(N.Kumar_at_rocketmail.com)




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Received on Tue Aug 24 1999 - 11:41:42 CDT












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