Ol' Dirty Bastard, a former member of the Wu Tang Clan who died in 2004. Java has long had the ability to communicate with his departed spirit with its ODBC technology.
Clearly downvoted because you called a Windows tech a Java tech
Operational Database
MySQL/MariaDB and CouchDB
Are those options or do you use CouchDB for your primary DB and MySQL for your report writing with an ETL process taking data out of CouchDB every night?
MySQL for tabular data, CouchDB for documents.
Users control the backup routine. Our AWS packages make it seamless, however.