It's a bit old but the PostgreSQL wiki has some good details on the differences - https://wiki.postgresql.org/wiki/Why_PostgreSQL_Instead_of_MySQL:_Comparing_Re

It's a bit old but the PostgreSQL wiki has some good details on the differences - https://wiki.postgresql.org/wiki/Why_PostgreSQL_Instead_of_MySQL:_Comparing_Reliability_and_Speed_in_2007 https://wiki.postgresql.org/wiki/Why_PostgreSQL_Instead_of_M... Further I've written a couple of posts that don't directly compare to MySQL, but many of the points are pretty relevant for MySQL vs. Postgres http://www.craigkerstiens.com/2012/04/30/why-postgres/ http://www.craigkerstiens.com/2012/05/07/why-postgres-part-2/