Ever since Oracle got its hands on MySQL via the Sun acquisition, many in the open source community have been hoping for a new open source database champion to emerge, notes Alan Shimel. With the release of version 9.0, it looks like PostgreSQL is stepping into the void. Some say PostgreSQL is the world’s most advanced open source database. Alan Shimel interviews two of the projects leading contributors. They discuss many of the latest, greatest features in 9.0.