Question 20Asked in UGC NET Computer Science, December 2014 (Paper II & III, Selected Questions)

What kind of mechanism is to be taken into account for converting a weak entity set into strong entity set in entity relationship diagram?

  1. AGeneralization
  2. BAggregation
  3. CSpecialization
  4. DAdding suitable attributes
Show answerHide answer

Correct answer: (D) Adding suitable attributes

Explanation

A weak entity does not have sufficient attributes to form a primary key; it is drawn as a double rectangle in an ER diagram. A weak entity set can be converted into a strong entity set simply by adding suitable attributes.

From UGC NET Computer Science PYQ, December 2014 (Paper II & III, Selected Questions)

This is question 20 of UGC NET Computer Science PYQ, December 2014 (Paper II & III, Selected Questions). 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.