SQL join -- MIDRANGE-L

Subject: SQL join
From: Dave <dfx1@xxxxxxxxxxxxxx>
Date: Tue, 22 Dec 2020 08:55:05 +0100
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Hi,

I'm using a full outer join on 2 tables to get a result something like this
:

Contract Product
123 P1
456 null

How can I add another join to get the product from another table only when
the product in the full outer join is null?

Thanks!

Follow-Ups:

RE: [EXTERNAL] SQL join , Alan Shore

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