Re: ON DELETE CASCADE question

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От Jan Wieck
Тема Re: ON DELETE CASCADE question
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Msg-id 3D0A247F.EADC659D@Yahoo.com
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Ответ на Re: ON DELETE CASCADE question  ("Josh Berkus" <josh@agliodbs.com>)
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Josh Berkus wrote:
> 
> Wei,
> 
> > Does ON DELETE CASCADE attribute you specify in CREATE TABLE
> > statement
> > actually create triggers for every foreign key it refers to?
> >
> 
> Yes.  Two triggers for each key, I think.
   Three, one for INSERT OR UPDATE on the FK table, one   for UPDATE on the PK table and one for DELETE on PK.


Jan

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