Yes, PG allows compound or composite keys for primary keys. Igor
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Carol Walter Sent: Wednesday, September 19, 2007 10:37 AM To: pgsql-admin@postgresql.org Subject: [ADMIN] Primary key Hello, Does postgres allow compound or composite keys for primary keys? I thought I read someplace that it didn't. Now, I can't find a reference to it. Carol ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings