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Old 02-28-2008, 09:40 AM
greg.scharlemann@gmail.com
 
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Default Re: Best way to use subquery?


greg.scharlemann@gmail.com wrote:
> greg.scharlem...@gmail.com wrote:
> > strawberry wrote:
> > >
> > > SELECT P.PersonID FROM PersonLocale PL
> > > LEFT JOIN Person P ON P.PersonID = PL.PersonID
> > > WHERE State = 'NC'
> > > ORDER BY LastName,FirstName

> >
> > Thanks, but the first two records that I get a NULL and I none of the
> > columns that I'm quering on have a NULL value. Any idea why?

>
> I think it's showing an AgentID that is all zeros (00000000) as NULL.
> Not sure why it's listing it twice though.


I got it. My tables were not correctly aligned. I had deleted a Person
but did not remove the PersonID from the PersonLocale table.

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