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Question 122Asked in DSSSB TGT Computer Science, 7 Feb 2024, Shift 2 (12:30 PM)

Which of the following notation of ERD (Entity – Relationship Diagram) shows the

Which of the following notation of ERD (Entity – Relationship Diagram) shows the ‘Weak Entity’?
  1. AQuestion content
  2. BQuestion content
  3. CQuestion content
  4. DQuestion content
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Correct answer: (C)

Explanation

A weak entity is drawn as a double rectangle (option C). A single rectangle is a strong entity, a diamond a relationship, and a double diamond an identifying relationship.

From DSSSB TGT Computer Science PYQ, 7 Feb 2024, Shift 2 (12:30 PM)

This is question 122 of DSSSB TGT Computer Science PYQ, 7 Feb 2024, Shift 2 (12:30 PM). 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.