RE: SQL0203 - Name xxxx is ambiguous, when using JOIN USING

Using Google I came across a link that implied you cannot use USING over 3 tables like you are trying to do in MySQL either. It had something to do with USING being expanded into a version using ON thus resulting in the same error you received.

Scott

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Charles Wilt
Sent: Friday, October 17, 2014 12:35 PM
To: Midrange Systems Technical Discussion
Subject: Re: SQL0203 - Name xxxx is ambiguous, when using JOIN USING

Obviously, for my immediate needs, I switched to what would work.

But from what I read, USING should work. In fact, if it doesn't work like this it's pretty much worthless. I could have sworn that I've done this in the past, but perhaps not...

I much prefer the USING syntax, especially when dealing with composite keys. I just don't often get to use it since my legacy tables have a prefix on the column name.

I've opened a PMR and we'll see what IBM says.

On Fri, Oct 17, 2014 at 1:35 PM, John Yeung <gallium.arsenide@xxxxxxxxx>
wrote:

I'm with Tom Stieger: The amount of effort put into getting USING to
work, if it can even be made to work at all (like him, I've never been
able to get it to work), is WAAAY more than just switching to the
explicit ON syntax already, which in my opinion isn't that much less
elegant than USING.

John Y.
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