GATE | GATE CS 2020 | Question 24
Which one of the following is used to represent the supporting many-one relationships of a weak entity set in an entity-relationship diagram ?
Diamonds with double/bold border
Rectangles with double/bold border
Ovals with double/bold border
Ovals that contain underlined identifiers
Answer: (A) Explanation:
According to Weak Entity Set in ER diagrams
The relation between one strong and one weak entity is represented by double diamond.
Option (A) is correct.Quiz of this Question
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