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ON DELETE SET NULL ??

From: Janet Linsy <janetlinsy_at_yahoo.com>
Date: Mon, 19 May 2003 10:56:49 -0800
Message-ID: <F001.0059CC96.20030519105649@fatcity.com>


Hi,

I used Erwin 3.5.2 to generate script. The DDL has the following, what exactly is ON DELETE SET NULL part?

ALTER TABLE ED_RECORDINGS_PAYMENTS

       ADD FOREIGN KEY (RECORDING_ID)
                             REFERENCES ED_RECORDINGS
                             ON DELETE SET NULL;

Thanks in advance.

Janet



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Author: Janet Linsy
  INET: janetlinsy_at_yahoo.com
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