hi!!, i was playing around with my QA and tryin' to find the perfect query to avoid this NULL issues. Of course, i still haven't found it.

Hello again:

Well, i made some test using timestamp field as key for update the same table and it works!!.. even declaring a cursor (in case of an insert select). and...

Hi PW...

i think this update is ok, and work...but,  i have one more question...

About the use of a timestamp field as the update join key between testtable and inserted. look:

Update...