Thanks, yeah, but the dummy tables are needed anyway in my case for those entities that are shared among the tenants :) -- View this message in context: http://postgresql.1045698.n5.nabble.com/Best-way-to-create-unique-primary-keys-across-schemas-tp5165043p5433562.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general