quiz

Relational Algebra in DBMS

1. Which relational algebra operation is represented by the symbol σ?

  • A) Union
  • B) Intersection
  • C) Select
  • D) Project
C) Select Explanation

2. What is the purpose of the ∏ operator in relational algebra?

  • A) Perform set intersection
  • B) Perform set difference
  • C) Perform projection
  • D) Perform Cartesian product
C) Perform projection Explanation

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