Relational Model (Relational Algebra, Relational Calculus) DBMS Aptitude Questions and Answers

In this section, Multi Choice Aptitude Questions and Answers on Relational Model that is Relational Algebra and Relational Calculus.

List of Relational Model (Relational Algebra, Relational Calculus) DBMS Aptitude Questions and Answers

1) Relational Algebra is?
  1. A non procedural query language
  2. A procedural query language
  3. Programming language
  4. None of these

2) Relational Algebra operators can be?
  1. Unary
  2. Binary
  3. Both 1 and 2
  4. None

3) How many fundamental operations in Relational Algebra?
  1. 3
  2. 4
  3. 5
  4. 6

4) Which is not a fundamental operation in Relational Algebra?
  1. Select
  2. Rename
  3. Delete
  4. Union

5) Which symbol is used for projection?
  1. Χ












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