Relational Algebra and Calculus Notes App | Database Management System Notes e-Book PDF

Database Management System MCQs (Computer Science) From Textbook

Database Management System Exam MCQs – Practice Test 12 (Chapter 11)

Relational Algebra and Calculus Notes Questions with Answers PDF Download – Test 12

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Relational Algebra & Calculus MCQs – Practice Test 12 PDF Download

MCQ 56: The relational calculus is classified as:

  1. high level language
  2. low level language
  3. query specifying language
  4. query identifying language

MCQ 57: The kind of operation which is used to extend the traditional projection operation by including projection attributes in projection list is called:

  1. relational projection
  2. generalized projection
  3. analyzed projection
  4. multiple projection

MCQ 58: The expression of generalized projection can be written as:

  1. π F1, F2, Fn ( R )
  2. θ F1, F2, Fn ( R )
  3. σ F1, F2, Fn ( R )
  4. β F1, F2, Fn ( R )

MCQ 59: The expression which specifies the procedure to retrieve rather than retrieval content is classified as:

  1. procedural expression
  2. structural expression
  3. functional expression
  4. calculus expression

MCQ 60: In a query tree, the input relations of query are classified as:

  1. attribute nodes
  2. leaf nodes
  3. stem nodes
  4. root nodes

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