When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
"A summary of relational theory and relational modeling"--. Here's a lightly edited excerpt from the preface (so this is the author speaking) Subtitle Relational Writings Revised and Revived. by Chris J. Date.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.