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In E-R diagram generalization is represented by

  • A.Ellipse
  • B.Dashed ellipse
  • C.Rectangle
  • D.Triangle

Answer: D

Correct answer: Triangle

Generalisation and its inverse, specialisation, are drawn as a triangle labelled ISA, connecting the general entity set above to the specialised ones below. An ellipse is an attribute, a dashed ellipse a derived one, and a rectangle an entity set.

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