Database Systems MCQs (Computer Science) From Textbook

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Database Systems Cerification Guide: Practice Test 11 (Chapter 10)

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The Formal Relational Query Languages Quiz Questions and Answers PDF (Formal Relational Query Languages Quiz PDF e-Book) download Ch. 10-11 to study Database Systems Course. Practice Relational Algebra MCQs, Formal Relational Query Languages MCQ questions and answers PDF for top computer science schools. The Formal Relational Query Languages Quiz App Download: Free Database Systems App to study career test for computer science associate degree.

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Formal Relational Query Languages Exam Questions and Answers PDF Download: Test 11

MCQ: 51

The relational algebraic operations that can be expressed in terms of the basic operations, are known as

  1. Basic operations
  2. Additional operations
  3. Extended operations
  4. Embedded operations
MCQ: 52

The relational-algebra operations can be grouped together into a

  1. relational-algebra query
  2. relational-algebra operation
  3. relational-algebra expression
  4. relational-algebra function
MCQ: 53

In the relational algebra, the union, set difference, and Cartesian product operations are known to be

  1. Unary operations
  2. Binary operations
  3. Dimensional operations
  4. Multidimensional operations
MCQ: 54

If we have relations of type r1(R1) and r2(R2), then r1 . r2 is a relation whose schema is the

  1. Union of R1 and R2
  2. Projection of R1 and R2
  3. Concatenation of R1 and R2
  4. Selection of R1 and R2
MCQ: 55

The join operation that takes all tuples in left relation that is not matching with any tuple in the right relation, is called

  1. Right outer join
  2. Full outer join
  3. Left outer join
  4. Natural outer join

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