Database Technology: Nulls Considered Harmful

by Chris Date

Essentially all truly general purpose database systems today are based on the relational model of data. That model was invented by E. F. ("Ted") Codd in the late 1960s and early 1970s, during his employment at the IBM Research Laboratory in San Jose, California, and it was solidly based on conventional two-valued logic, 2VL. Unfortunately, those same general purpose database systems today all use the language SQL as their user language-and SQL...

• Format: Paperback
• Language: English
• ISBN: 1634624769
• ISBN13: 9781634624763
• Release Date: July 2024
• Publisher: Technics Publications
• Length: 246 Pages
• Weight: 0.95 lbs.
• Dimensions: 0.5" x 7.5" x 9.3"