Quote: a database model should allow arbitrary combinations of constraints on relationships

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In the next few paragraphs [p. 66-76] I will … of these characteristics. A method of assessing a … all. Note the emphasis on combinations. In most … features, taken one at a time. The challenge … [Support by permitting a constraint to be asserted and thereafter enforcing the constraint].   Google-1   Google-2

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Topic: database consistency and reliability (15 items)