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  3. May 2020

Re: Trouble with FULL OUTER JOIN ... USING

On Fri, May 1, 2020 at 12:34 PM Joe Pluta <joepluta@xxxxxxxxxxxxxxxxx> wrote:

I've run into variations of this issue alot over the years. The problem
is that the fields in the USING clause don't always work in a way that
is convenient.

Me too. I kind of gave up trying to learn when I could and couldn't
use USING, and just never absorbed it into my (very small) SQL
repertoire. All my joins just use ON, which I find much more
predictable and reliable.

Am I missing out on some significant advantage that USING confers?
From where I'm sitting, it's just a finicky bit of limited-use syntax
sugar for ON anyway.

John Y.

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