Question:
Which is the notation for weak entity set in ER diagram?
Which is the notation for weak entity set in ER diagram?
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Weak entity = double rectangle; needs a strong entity for identification.
Updated On: May 26, 2025
- Dashed rectangle
- Double rectangle
- Dashed diamond
- Double eclipse
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The Correct Option is B
Solution and Explanation
In ER diagrams:
- Weak entity sets are represented using a double rectangle.
- Their identifying relationships are shown using double diamonds.
- Weak entity sets are represented using a double rectangle.
- Their identifying relationships are shown using double diamonds.
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