Subject | Re: [firebird-support] Re: SQL for master-detail |
---|---|
Author | Gabor Boros |
Post date | 2007-12-27T19:21:33Z |
Hi,
Ed's problem is:
I am looking for all of the master records that have one or no detail
records.
With NOT EXIST only master records without detail records selected.
Or I am wrong?
Gabor
Leyne, Sean írta:
Ed's problem is:
I am looking for all of the master records that have one or no detail
records.
With NOT EXIST only master records without detail records selected.
Or I am wrong?
Gabor
Leyne, Sean írta:
>> NOT EXIST is not a good solution for the problem.
>
> Why?
>
> Please elaborate.
>
>
> Sean