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Relational Model (Relational Algebra, Relational Calculus) DBMS Aptitude Questions and Answers | Set 1

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
Answer

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

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

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

5) Which symbol is used for projection?
  1. ∏
  2. ∪
  3. −
  4. Χ
Answer

ER Model Aptitude Questions | Set 2
Relation Model Aptitude Questions | Set 2



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