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Re: Subquery to select max(date) value

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On Wed, Feb 13, 2019, at 9:06 AM, Rich Shepard wrote:
> On Wed, 13 Feb 2019, Adrian Klaver wrote:
> 
> > Should have been clearer in my previous post, you can get rid of the nulls
> > by filtering out the entire row.
> 
> Adrian,
> 
> Thank you. I'm rebuilding the statement from the inside out (which helps me
> learn more SQL in the process). For example,
> 
> select * from activities where next_contact is not null and
>           next_contact <= 'today' and next_contact > '2018-12-31';
> 
> works as written. This suggests that it's the placement within the two joins
> that needs correcting. Now I'll add the two joined tables one at a time and
> learn how to structure the whole statement.


It will work if you use it to filter after the joins are done.

> 
> Best regards,
> 
> Rich
> 
> 
>




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