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Question 25Asked in DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 3

Which of the following is a symbol of multivalued attribute in Entity relationship diagram?

  1. ADouble oval (an ellipse inside an ellipse)
  2. BDouble diamond (a diamond inside a diamond)
  3. CDouble rectangle (a rectangle inside a rectangle)
  4. DAn ellipse with a small rectangle inside
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Correct answer: (A) Double oval (an ellipse inside an ellipse)

Explanation

A multivalued attribute is drawn as a double oval. A double diamond is an identifying relationship and a double rectangle is a weak entity.

From DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3

This is question 25 of DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3. 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.