Domänen und Typen in Relationaltheorie und SQL von Chris Date Taschenbuch
60,96 €
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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