On Tue, 1 May 2007, Joshua D. Drake wrote:
You could use a function, or a foreign key.
Josh, The foreign key approach will do nicely. Thanks, Rich -- Richard B. Shepard, Ph.D. | The Environmental Permitting Applied Ecosystem Services, Inc. | Accelerator(TM) <http://www.appl-ecosys.com> Voice: 503-667-4517 Fax: 503-667-8863