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Re: Foreign key problem

From: -CELKO- <jcelko212_at_earthlink.net>
Date: 15 Jun 2006 12:48:15 -0700
Message-ID: <1150400895.187234.182020@y41g2000cwy.googlegroups.com> 





>> (a,b) REFERENCES (c,d)



    (b,a)  REFERENCES  (c,d)  <<



Read the SQL Standards:



  (a, b) REFERENCES (c,d)


implies that  a MATCHES c AND b MATCHES d



  (b, a) REFERENCES (c,d)


implies that b MATCHES c AND a MATCHES d



these are very different.
Received on Thu Jun 15 2006 - 14:48:15 CDT












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