Thank you for the explanation, David
On Thu, Feb 25, 2021 at 9:49 PM David Rowley <dgrowleyml(at)gmail(dot)com> 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.
>
>