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quastions about primary key - Mailing list pgsql-sql

From	jack
Subject	quastions about primary key
Date	January 24, 2003 05:32:27
Msg-id	00c301c2c374$1e698650$1400a8c0@jac Whole thread Raw
Responses	Re: quastions about primary key (Stephan Szabo <sszabo@megazone23.bigpanda.com>)
List	pgsql-sql

Is that possible to have a two columns primary key on a table with null
value on second column?

Jack

From: "David Durst"
Date: 24 January 2003, 05:25:32
Subject: Re: Scheduling Events?

From: Achilleus Mantzios
Date: 24 January 2003, 05:48:02
Subject: Re: Scheduling Events?