My Oracle Enterprise databases were installed in the late 90s, and lots of systems that I support have grown around them. I've raised the question of the Enter

My Oracle Enterprise databases were installed in the late 90s, and lots of systems that I support have grown around them. I've raised the question of the Enterprise DB version of Postgres (because of the PL/SQL emulation, which would certainly be needed). Even this change would be a large engineering effort.