Home > mailing lists

Re: How to use as Functional Index to be used as Primary KEY - Mailing list pgsql-general

From	Pierre-Frédéric Caillaud
Subject	Re: How to use as Functional Index to be used as Primary KEY
Date	August 2, 2004 14:22:33
Msg-id	opsb3zkqy8cq72hf@musicbox Whole thread Raw
In response to	Re: How to use as Functional Index to be used as Primary KEY (jseymour@linxnet.com (Jim Seymour))
List	pgsql-general


    Also, UNIQUE INDEX allows not null values, whereas PRIMARY KEY does not.

    Take care.

From: Tom Lane
Date: 02 August 2004, 14:05:33
Subject: Re: How to use as Functional Index to be used as Primary KEY

From: John DeSoi
Date: 02 August 2004, 14:45:20
Subject: psql and md5