Thank you for the explanation, David
On Thu, Feb 25, 2021 at 9:49 PM David Rowley <dgrowleyml@xxxxxxxxx> wrote:
Since your foreign keys perform a cascade delete on the tables
referencing the tables you're deleting from, any records in those
referencing tables will be deleted too. You must also look at those
referencing tables and see what references those and index the
column(s) which are referencing.
