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Database Systems Online Tests

Integrity Constraints Multiple Choice Questions (MCQ) PDF Download

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Integrity Constraints MCQ Quiz PDF Download: Database Systems MCQs

MCQ 1: If there is a chain of foreign-key dependencies across multiple relations, a deletion or update at one end of the chain may propagate

A) No dependent
B) Entire chain
C) 1 dependent only
D) Few dependents only

MCQ 2: If any of the foreign-key columns is null, the tuple is defined automatically to satisfy the

A) Integrity
B) Atomicity
C) Isolation
D) Constraint

MCQ 3: When a referential-integrity constraint is violated, the normal procedure is to

A) Continue with flow
B) Accept the action
C) Reject the action
D) Store it for evaluation

MCQ 4: The SQL standard allows a clause initially deferred to be added to a

A) Uniqueness specification
B) Atomicity specification
C) Constraint specification
D) Isolation specification

MCQ 5: By default, in SQL a foreign key references the primary-key attributes of the

A) Referencing table
B) Referenced table
C) Primary table
D) Both the tables

Database Systems Practice Tests

Integrity Constraints Learning App & Free Study Apps

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Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

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Operating Systems App (Android & iOS)

Operating Systems App (Android & iOS)