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Re: How to create a uniqueness constraint based on two fields?

From: Tony Andrews <andrewst_at_onetel.com>
Date: 26 Jan 2005 04:57:26 -0800
Message-ID: <1106744246.408496.27360@z14g2000cwz.googlegroups.com> 





Thomas Kellerer wrote:


> CREATE UNIQUE INDEX ON the_table (first_name, last_name);

>

> should do it, I guess.




Or better:



ALTER TABLE the_table ADD CONSTRAINT the_table_uk UNIQUE (first_name,
last_name);
Received on Wed Jan 26 2005 - 06:57:26 CST












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