If the http://db.kreie.net URL doesn't work, go to this website to access the scripts and other files used in this video series. https://sites.google.com/view/db-krei...
Make the list in one LOV (list of values) determined by a selection in another LOV. In our example application we will change the dominant breed LOV in the ANIMALS form to show only the breeds associated with a particular category of animal (the list of breeds is different for canine versus feline). Run a script that creates “before update” triggers for some of the tables in the database.