Comparing records in duplicate tables in different oracle databases

Question

I have the same table in two oracle databases. One is a staging database that has it\'s record loaded into the primary. I want to go through the staging table and see if there a

Answer 1

Something like this should work

delete from stagingtable
where id in
(select id
from stagingtable st join productiontable pt on st.id = pt.id
and st.nextfield = pt.nextfield
etc
)