<database> A form of relational calculus in which scalar variables take values drawn from a given domain.
Examples of the domain calculus are ILL, FQL, DEDUCE and the well known Query By Example (QBE). INGRES is a relational DBMS whose DML is based on the relational calculus.
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Nearby terms: Domain Analysis « domain architecture « Domain Architecture Model « domain calculus » domain engineering » domain handle » domainist