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Transformation of Relational Expressions MCQs Quiz Online PDF Download eBook

Solve Transformation of Relational Expressions Multiple Choice Questions (MCQ), transformation of relational expressions quiz answers PDF database practice test for online degree programs. Learn query optimization Multiple Choice Questions and Answers (MCQs), "Transformation of Relational Expressions Quiz" questions and answers for bachelor's degree in computer science. Learn heuristic optimization in dbms, heuristic query optimization, transformation of relational expressions test prep for online college classes.

"The operations of Natural-join are" Multiple Choice Questions (MCQ) on transformation of relational expressions with choices commutative, associative, distributive, and conjunctive for bachelor's degree in computer science. Practice transformation of relational expressions quiz questions for merit scholarship test and certificate programs for online computer science and engineering.

MCQs on Transformation of Relational Expressions PDF Download eBook

MCQ: The operations of Natural-join are

  1. Commutative
  2. Associative
  3. Distributive
  4. Conjunctive


MCQ: The optimizer that explores the space of all query-evaluation plans is called

  1. Cost-based
  2. Plan-based
  3. Estimate-based
  4. Count-based


MCQ: The process of replacement of a nested query by a query with a join is called

  1. Correlation
  2. Decorrelation
  3. Materialization
  4. Non-materialization


MCQ: The operations of theta-join are

  1. Distributive
  2. Conjunctive
  3. Commutative
  4. Associative


MCQ: The two expressions generate the same set of tuples on every legal database instance, the relational expressions are said to be

  1. Dependant
  2. Independent
  3. Equivalent
  4. Non-equivalent