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Let E be an entity set in a relationship set R. If only some entities in E participate in relationships in R, Then the participation of E in R is __________

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Let E be an entity set in a relationship set R. If only some entities in E participate in relationships in R, Then the participation of E in R is __________

(a) Partial

(b) Total

(c) Complete

(d) Incomplete

This question was addressed to me at a job interview.

My question is based upon Entity Relationship Model topic in portion Database Design and the ER Model of RDBMS

1 Answer

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Correct choice is (b) Total

Explanation: Let E be an entity set in a relationship set R. If only some entities in E participate in relationships in R, Then the participation of E in R is partial.

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