>>I am working on a SQL Select where result is parts/items used prior to a certain date but not used after this date. Here is my attempt which does not seem to work
>>
>>
>>select * from part_file where part_pk in (select part_pk from part_used
>>where used_date !> '20100101' and used_date < '20100101')
>>
>>
>>How do I need to change the above SQL Select?
>
>
>
>select * from dbo.part_file p where not exists (select 1 from dbo.part_used pu where used_date >='20100101' and pu.part_pk = p.part_pk)
>
>Select all parts which were not used after 01-01-2010. (This may return parts which were not used at all)
>
>We can add the other part to this query to make sure the parts were used, e.g.
>
>
>select * from dbo.part_file p where not exists (select 1 from dbo.part_used pu where used_date >='20100101' and pu.part_pk = p.part_pk)
>and exists (select 1 from dbo.part_used pu where used_date <'20100101' and pu.part_pk = p.part_pk)
Thank you. The last of your SQL Select should do the job. But I will check it against my DB.
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