Would it be able to apply some (most) of these technics to other RDBMS like PostgreSQL and MySQL? Maybe some of (non private/secure) information about the queri

Would it be able to apply some (most) of these technics to other RDBMS like PostgreSQL and MySQL? Maybe some of (non private/secure) information about the queries/stats could be sent back to a centralised server that would be ingested by the ML model making it even "smarter".