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Question 50

Which of the following is not a record-based data model?

  1. ARelational model
  2. BHierarchical model
  3. CE-R model
  4. DNetwork model
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Correct answer: (C) E-R model

Explanation

The relational, hierarchical and network models are record-based logical models. The E-R model is an object-based conceptual model.

From DSSSB TGT Computer Science Practice Set 2

This is question 50 of DSSSB TGT Computer Science Practice Set 2. 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.