Draw an ER Diagram for the Activity - Centers in Cyprus. Use following specifications and clearly indicate the unique identifiers and show all cardinalities (minimum and maximum numbers). For an activity-center you need to keep the following information. Unique center_no, center_name, address (composed of post code, street and city) and a phone_ number. A member can be registered in at least 1 activity - center. For each member keep unique member_number, member_name, date of birth, age, address (only the city and house number is important) and phone numbers (mobile and home). In an activity - center there can be zero or many members. One of the members can be the leader of an activity -center. An activity-center can be located in one and only one city, but in a city there can be at least zero and at most 5 activity-centers. For each city you need to keep unique city_ code and a city name.

Draw an ER Diagram for the Activity - Centers in Cyprus. Use following specifications and clearly indicate the unique identifiers and show all cardinalities (minimum and maximum numbers). For an activity-center you need to keep the following information. Unique center_no, center_name, address (composed of post code, street and city) and a phone_ number. A member can be registered in at least 1 activity - center. For each member keep unique member_number, member_name, date of birth, age, address (only the city and house number is important) and phone numbers (mobile and home). In an activity - center there can be zero or many members. One of the members can be the leader of an activity -center. An activity-center can be located in one and only one city, but in a city there can be at least zero and at most 5 activity-centers. For each city you need to keep unique city_ code and a city name.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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