Re: temporarily disabling foreign keys

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От John R Pierce
Тема Re: temporarily disabling foreign keys
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Msg-id 4DC9853D.90607@hogranch.com
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Ответ на temporarily disabling foreign keys  (Seb <spluque@gmail.com>)
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On 05/10/11 11:12 AM, Seb wrote:
> Hi,
>
> I'm not sure how best to handle this situation.  The tables in a
> database need to be completely cleared and copy'ed into about every few
> months, as they are updated with new records and corrections from a
> provider.  Because the tables have foreign key constraints with 'ON
> UPDATE CASCADE ON DELETE RESTRICT', it's not possible to DELETE them
> without violating these constraints.  I've been dropping the constraints
> while doing these transactions and then recreating them once everything
> is done, but this has gotten tedious.  Is there some way to "disable"
> the foreign keys and enabling them after the transactions?  Thanks.

might be faster to just drop the tables and recreate them.



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