> In PostgreSQL, both primary keys and UNIQUE constraints are implemented > via UNIQUE indexes, ergo there is no difference... Thanks Martijn, it's exactly what i wanted to know. Best regards, David -- David Pradier -- Directeur Technique de Clarisys Informatique -- Chef de projet logiciels libres / open-source ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings
