On 10/29/2016 09:47 AM, Rich Shepard wrote:
On Sat, 29 Oct 2016, Tom Lane wrote:
What does U1 represent?
Unique constraint, perhaps? I'm just guessing.
Tom,
That's my guess, too. I've not seen it used before now and did not
know if
it's a standard code for something or one specific to this agency.
http://stackoverflow.com/questions/5628533/what-does-i1-i2-u1-means-in-visio-database-relationship-diagram
http://stackoverflow.com/questions/23533702/about-entity-relationship-diagram
Thanks,
Rich
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Adrian Klaver
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