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Database Systems Entrance Tests: Certification Test 888

Nested Subqueries Quiz App & e-Book: MCQ 888

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MCQ: 888

SQL allows subqueries wherever an expression returning a value is permitted, provided the subquery returns

  1. Single attribute
  2. One tuple
  3. Single value
  4. Both A and B

Nested Subqueries Textbook Tests: Database Systems App & eBook Quiz

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