On Sat, Jan 12, 2019 at 10:08 AM Ricardo Martin Gomez <rimartingo...@hotmail.com> wrote: > > Hi, > In MYSQL Null date is equal '01/01/1900' or '01/01/1970', I don't remember > but you can also use the same logic for the check_constraint. > Regards
Why? PostgreSQL doesn't need hacks around this... David J.
