FEATURE Today Postgres is one of the most widely used database systems, but its launch and subsequent development were inauspicious to say the least. If it weren’t for a league of exceptionally devoted open source contributors, it probably would be another forgotten also-ran just like Ingres, the database system on which it was based (“Postgres” was shorthand for “Post-Ingres”). The creator of both systems, Michael Stonebraker, is perhaps the pr…