Re: 1st RPG program with embedded SQL

[Doug Davie <dougdavie@xxxxxxxxx>]

I keep a visual representation of SQL joins on my wall.

Not sure on copyrights, so rather than post a specific URL or image, just
use google image search and search for:   sql joins

The copy I keep on my wall is the first and second that came up in my
search  (it is red and white in color).

There are a few others that show as well, so find one that makes sense to
you and print a copy to hang


On Tue, Aug 20, 2019 at 9:10 AM John Rusling via RPG400-L <
rpg400-l@xxxxxxxxxxxxxxxxxx> wrote:

> Heh heh for similar reasons...  me too Steve!
>
> <previous>
> ... Can never remember what that means. I use either "join" or
> "left outer join". Where join requires the join to row to exist. And left
> outer join returns a row even when the join to row does not exist.
>
> -Steve
> </previous>
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