Re: row numbering

> > There are 5 vaccinations in a given vaccination schedule.
> >
> > Patient had 3 shots.
> >
> > I want the view to show me that shot 4 and 5 are missing
> > without having to enter the cardinality of the vaccination in
> > the original data.
>
> For this kind of task you usually want to use a left (or right) join.
I thought so. I tried to get it done that way several
times. I asked on this list more than once, too.

Karsten
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