Joel, Thank you very much. I gave that a try and it worked perfectly. It
definately was the distinct keyword I was missing.
Thanks Again,
Steve
Joel Burton wrote:
>
> Will DateStamp being the date of insertion? If so, is it that you want
> the record for the most recent (largest) datestamp for each
> batch_number?
>
> something like
>
> SELECT DISTINCT ON (batch_number) unique_key, datestamp,
> batch_number, instructions FROM widgets ORDER BY batch_number,
> datestamp desc;
>
> (sort by batch then by date (last first) and show the first (aka
> 'distinct') row, considering only the batch_number for distinctness)