When you delete a reference field that has sub-references, Adalo needs the ability to let the designer do a cascading delete to automatically delete all of the sub-records as well.
This is a standard practice to avoid having useless stragglers left behind in the database when you delete the “parent”.
This is a must have for any database! Otherwise you will waste much space of your “5 GB”. I was wondering why this feature was not implemented from the first day on?