📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      What does the "Projection" operation in relational

      algebra do?
      A Selects certain rows from a relation Correct Answer Incorrect Answer
      B Combines two relations into one Correct Answer Incorrect Answer
      C Selects certain columns from a relation Correct Answer Incorrect Answer
      D Sorts the relation in ascending order Correct Answer Incorrect Answer

      Solution

      Selects certain columns from a relation

      Practice Next

      Relevant for Exams:

      ask-question