Peter,
Thank you very much for your reply. Three weeks later I am realizing that
the 'NOT IN' solution I had above does not work after all. Accordingly, I
went back and looked at your solution and it is close but it only gives
NULL results I am looking for something that excludes challenges that
Hi There,
If I interpreted what you are trying to do is to return all the rows from
Challenge and reference Patrocinio excluding those rows in Patrocinio where
PTRN_ID is 1?
Not sure if the below is possible in MySQL but I've used this in other places
when doing a left join and needing to
