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Which of the following symbols represent entity sets in an ER diagram?(a) Divided rectangles(b) Diamonds(c) Lines(d) Undivided rectanglesI have been asked this question in an interview for job.Origin of the question is Entity Relationship Diagrams in chapter Database Design and the ER Model of RDBMS

Answer»

Correct CHOICE is (a) Divided RECTANGLES

Easy explanation: Rectangles divided into two parts REPRESENT entity SETS in an ER diagram. The upper rectangle contains the NAME of the entity sets. And the lower rectangle contains the attributes.



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