Database Management System05 marksIntegrity constraints
Define domain constraint and referential integrity constraint.
Define domain constraint and referential integrity constraint. [5]
--- Definition: A domain constraint specifies that the value of each attribute in a relation must be an atomic (indivisible) value drawn from the domain (set of permissible values) defined for that attribute. In other words, for every tuple in a relation, the value of each attribute must belong t...