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Relating TOs, a simple question on good practise.

Question asked by JohnDee on Oct 23, 2013
Latest reply on Oct 23, 2013 by philmodjunk

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Relating TOs, a simple question on good practise.

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     Ι am relating an invoice table via Client_Id and Shop_Id (in a scenario where many shops issue invoices) and I have to do this via a TO of the invoice table, which takes up the second relation to shop_id. 

My question is this, in my invoices layout, based on the Invoice Table (and not its second TO) I chose to substitute the Shop_Id field with a ::Shop_Id field from the TO of invoices, since this is related to the shops table. 

Is what I did superfluous? It's the same field anyway. Should I keep the one on the first Invoice table?

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