[prpl]

Mysql, Postgres and Oracle are closer than ever in functionality, but I don’t think postgres/mysql alone can compare to “Oracle”, but if you compare postgres+greenplum/citus/XL or mysql+Vittess to Oracle+RAC that’s pretty close, but you’ll probably need to choose from a few extras to get all the way there. The key difference is Oracle is doing it all in one monolithic stack.

[corty]

Oracle isn't really monolithic though. If you dig into it, it is all a really ancient aggregation of various tools and components from different eras. All of it has some Oracle branding on it, but usage-wise and functionality-wise it is inconsistent as hell, overlapping, downright weird and sometimes even dangerous to the non-wizard. Imagine the ancient font-installation dialogue in windows, times a thousand.