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Database Systems MCQs – Practice Test 1 (Chapter 10)

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Formal Relational Query Languages MCQs – Practice Test 1 PDF Download

MCQ 1: A second form of relational calculus, is known as:

  1. Domain relational calculus
  2. Relational calculus
  3. Tuple relational calculus
  4. Attribute relational calculus

MCQ 2: In a natural join if the two are equivalent in an expression, is said to be:

  1. Definitive
  2. Predictive
  3. Associative
  4. Assignment

MCQ 3: The predicate of a selection statement may include comparisons between:

  1. Two attributes
  2. Multiple attributes
  3. Two relations
  4. Multiple relations

MCQ 4: In the relational algebra, the select, project, and rename operations are known as:

  1. Dimensional operations
  2. Multidimensional operations
  3. Unary operations
  4. Binary operations

MCQ 5: The operation of projection is a:

  1. Dimensional operations
  2. Multidimensional operations
  3. Unary operations
  4. Binary operations

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