Question: 6 : 1 3 1 1 1 5 5 0 % Homework 3 IEDA 3 3 0 0 Industrial Data Systems, Fall 2 0 2

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Homework3
IEDA 3300 Industrial Data Systems, Fall 2023, HW 3
Q1. The following is a partial ER diagram for movies. The following information is known:
Each movie is produced by one company, and has zero or more actors. Each actor has acted in one or more movies. Each company has produced one or more movies. Based on this, mark all the cardinality ratios, and all the participation constraints.
Q2. Consider the following (incomplete) ER diagram.
(a) Complete it by clearly marking the participation and cardinality constraints, using reasonable darr assumptions about people in a city (e.g. Hong Kong).
It shows a partial
porticipation
I:N
6 : 1 3 1 1 1 5 5 0 % Homework 3 IEDA 3 3 0 0

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