I've used MySQL/MariaDB for over 10 years (as well as MSSQL, Sybase, PostgreSQL, SQLite and any others I forgot) and I've had minimal problems with them. No mor

I've used MySQL/MariaDB for over 10 years (as well as MSSQL, Sybase, PostgreSQL, SQLite and any others I forgot) and I've had minimal problems with them. No more problems than I've had with any other DB system. Edit: I also used MongoDB and hated it.