Question: Construct an E - R diagram to represent the mini - world database in terms of the relational model. Clearly mark the following in the

Construct an E-R diagram to represent the mini-world database in terms of the relational model. Clearly mark the following in the diagram with the corresponding convention: (5 marks)
a. Entities
b. Relationships
c. Cardinality ratio
d. Participation
e. Relational constraints

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