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need foreign key constraint based on primary key of 2 different table

spur230Nov 14 2013 — edited Nov 14 2013

I am using Oracle 11.2.0.3.

I have 2 table invl with invl_pk as primary key and org with org_pk as primary key. 

In third table entity_list, I  have entity_pk which can either be indvl_pk or org_pk.   How can I can create such constraint?

Thanks for your time.
This post has been answered by Vite DBA on Nov 14 2013
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