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Database Systems Competitive Exam: Certification Test 1922

Integrity Constraints MCQs App & e-Book: MCQ 1922

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MCQ: 1922

Attributes of foreign keys are allowed to be null, provided that they have not been declared to be

  1. Not null
  2. Like Null
  3. As Null
  4. Candidate key

Integrity Constraints Competitive Exam: Database Systems App & eBook MCQs

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