Domains and Types in Relational Theory and SQL by Chris Date Paperback Book
39,34 €
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.
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