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Relational Algebra MCQs PDF Download – Prep Test

MCQ 1: 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 2: The predicate of a selection statement may include comparisons between:

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

MCQ 3: 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 4: The operation of projection is a:

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

MCQ 5: The projection that allows extension of operations, i.e. arithmetic and string functions to be used in the projection list, is known as:

  1. Embedded Projection
  2. Extended Projection
  3. Generalized Projection
  4. Aggregation Projection

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