Domains and Types in Relational Theory and SQL

by Chris Date

What's a domain? What's a type? The original version of the relational model (defined by Codd in 1969) had domains and not types. The original version of the SQL standard (defined by committee in 1986, but based on work done by Boyce and Chamberlin et al. in the 1970s) had types and not domains. Later, Codd added types and SQL added domains. But no two of these constructs-domains per Codd, types per Codd, domains per SQL, types per SQL-are the...

• Format: Paperback
• Language: English
• ISBN: 1634625447
• ISBN13: 9781634625449
• Release Date: September 2024
• Publisher: Technics Publications
• Length: 290 Pages
• Weight: 1.11 lbs.
• Dimensions: 0.6" x 7.5" x 9.3"