Re: Referential Integrity

From: Thomas 'PointedEars' Lahn <PointedEars_at_web.de>
Date: Wed, 16 Nov 2016 15:55:31 +0100
Message-ID: <2357897.mvXUDI8C0e_at_PointedEars.de>

Stefan Ram wrote:

[Quoted] > Does the following schema have referential integrity?

Maybe if you had written it easily readable, I might have looked into it further.

> […]
>
> Observe that the value of the foreign key '1' from table U
> appears /twice/ in table T.

So what?

-- 
PointedEars

Twitter: _at_PointedEars2
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Received on Wed Nov 16 2016 - 15:55:31 CET

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