Of note, Sun ironically performed a benchmark between PostgreSQL and Oracle. The results were that PostgreSQL performed very closely to Oracle under several sce

Of note, Sun ironically performed a benchmark between PostgreSQL and Oracle. The results were that PostgreSQL performed very closely to Oracle under several scenarios. http://it.toolbox.com/blogs/database-soup/postgresql-publishes-first-real-benchmark-17470 http://it.toolbox.com/blogs/database-soup/postgresql-publish... It's not a direct comparison between MySQL, but Oracle is highly regarded from a performance standpoint.