Which of the following statements about the participation constraint is false?
A) It specifies the degree of minimum participation of one entity in the relationship with the other entity.
B) The constraint is either 1 or 0.
C) It is the most common constraint in E-R diagrams.
D) It provides more information than the cardinality constraint.

Question

Quizplus · Accepted Answer

The statement that participation constraint is the most common constraint in E-R diagrams is false. In fact, cardinality constraint is the most common constraint in E-R diagrams. The participation constraint specifies the degree of minimum and maximum participation of one entity in the relationship with the other entity. The values can be 1, 0, or more. The participation constraint provides additional information along with the cardinality constraint.

Which of the Following Statements About the Participation Constraint Is