> people who use postgres understand query performance more than people who use mysql This statement strikes me as likely to be true, at least for database non

> people who use postgres understand query performance more than people who use mysql This statement strikes me as likely to be true, at least for database non-experts. It was certainly true for me. I didn't have anything approaching a decent understanding of query performance until I discovered posgresql's EXPLAIN and, perhaps more importantly, EXPLAIN ANALYZE.