Using constant in referential constraint

From: אדר יחיאל <adary_at_mehish.co.il>
Date: Sun, 17 Mar 2002 10:43:21 -0800
Message-ID: <F001.0042B984.20020317104321@fatcity.com>

Hello all

We have a table on banks and branches:
BANKS:
BANK_NO number(2)
BRANCH_NO number(3)

We also have clients table for one bank that does not have the BANK_NO in it.
We would like to check from the client table to the BANKS table using constraint like:

ALTER TABLE CLIENTS
 ADD CONSTRAINT CHECK_BRANCH
 FOREIGN KEY (12 , BRANCH_NO)
 REFERENCES BANKS (BANK_NO, BRANCH_NO) where 12 if the bank id in the banks table.

RTFM did not help.

Yechiel Adar, Mehish Computer Services
adary_at_mehish.co.il

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