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From: David G. Johnston <[email protected]>
To: Rob Sargent <[email protected]>
Cc: [email protected] <[email protected]>
Cc: JORGE MALDONADO <[email protected]>
Subject: Re: One parent record with 3 possible child records
Date: Thu, 2 May 2024 07:02:37 -0700
Message-ID: <CAKFQuwY6-90W2sO=peE6xf1F07vpbf_4PdKa_bt=4=OAH1GMCw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CAAY=A79usb2Lbr9nUyzxyRNWLQNc-w3oTBbtUGyC2a4E-qaX3A@mail.gmail.com>
	<CAKFQuwYPeiXTT0GTrN3o7Ja7P9G9Z-LerHsdbzCDqe=SRhffyg@mail.gmail.com>
	<[email protected]>

On Thu, May 2, 2024 at 6:37 AM Rob Sargent <[email protected]> wrote:

> Presuming the id is unique in parent and child, what’s the value of the
> type field in the foreign key?  Are you saying the PK on tableMain is
> (type,id), perhaps for clustering purposes?
>
>
>
Preventing the parent record from saying "tblOne" while the actual ID value
is present on "tblTwo".

David J.

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