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________ is a predicate that we expect the database to always satisfy

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________  is a predicate that we expect the database to always satisfy

(a) Assertion

(b) Reason

(c) Mandate

(d) Verify

This question was posed to me at a job interview.

Question is from Integrity Constraints topic in chapter Intermediate and Advanced Sql of RDBMS

1 Answer

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Right answer is (a) Assertion

For explanation I would say: An assertion is a predicate that we expect the database to always satisfy. Domain constraints and referential integrity constraints are special forms of assertions.

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