Subject RE: [firebird-support] SQL Select Joins Syntax
Author Kevin Stanton
Thanks! to all - I've now got the results I was looking for.
Kevin


-----Original Message-----
From: James [mailto:james_027@...]
Sent: Friday, March 19, 2004 5:06 PM
To: firebird-support@yahoogroups.com
Subject: Re: [firebird-support] SQL Select Joins Syntax


Kevin,

Kevin Stanton wrote:

> Greetings,
> I am currently joining:
>
> select [field list]
> from Table1 T1
> left outer join Table2 T2 on T1.ID = T2.ID
>
> This gives me everything in Table1 whether or not it exists in Table2.
>
> What is the best way to find out what is in Table2 that is not in Table1.
>
> Thanks,
> Kevin

Try this if it will work

select [field list]
from Table2 T2
where not exists (select * from Table1 T1 where T2.ID = T1.ID )

This will display all the records in Table2 that is not in Table1 I
think ...

james

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