Question 192Asked in CIL MT Systems, 27 Feb 2020 (8:00 AM)

Which of the following is a unary operation?

  1. AIntersection
  2. BProjection
  3. CJoin
  4. DCartesian Product
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Correct answer: (B) Projection

From CIL MT Systems PYQ, 27 Feb 2020 (8:00 AM)

This is question 192 of CIL MT Systems PYQ, 27 Feb 2020 (8:00 AM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.