MySQL has been famous for its ease of use and speed, while PostgreSQL has many more advanced features, which is the reason that PostgreSQL is often described as an open-source version of Oracle. … PostgreSQL vs. MySQL. PostgreSQLMySQLPartial indexesYesNoBitmap indexesYesNoExpression indexesYesNoPostgreSQL vs. MySQL: A Comprehensive Comparison www.postgresqltutorial.com › postgresql-vs-mysql