[AccessD] Quotient join

That's where I found the definition but not the SQL (Edition 1- maybe it is
described in a later edition?).
It says this table (SUPPLIER):
Sname
Jones Wood Supply
Orange Coast
Jones Wood Supply
Austin Hardwoods
Orange Coast
West Lumber
Jones Wood Supply
Orange Coast
West Lumber
Jones Wood Supply
Austin Hardwoods
Orange Coast
Fred's Woods

divided by this table (TYPE)
Type
Mahogany
Red Oak
Poplar
Walnut

equals
Jones Wood Supply
Orange Coast

ie all suppliers who supply all types. Kinda neat IMHO
Jim Hale

-----Original Message-----
From: Charlotte Foust [mailto:cfoust at infostatsystems.com]
Sent: Thursday, March 09, 2006 4:18 PM
To: Access Developers discussion and problem solving
Subject: Re: [AccessD] Quotient join


Look in Appendix B - The Quotient:  An Additional Operation of the
Relational Algebra.

Then you can explain it to me! LOL

Charlotte Foust


-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Hale, Jim
Sent: Thursday, March 09, 2006 1:36 PM
To: 'Accessd (E-mail)
Subject: [AccessD] Quotient join


Access Database Design and Programming discusses a quotient join in an
appendix but fails to show the SQL. It looks useful. Does anyone know
the syntax? Something like "SELECT Supplier.Sname FROM Supplier QUOTIENT
JOIN Type ON Supplier.Type / Type.ID;"? Jim Hale

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