HOMEWORK #6 Consider the following flawed ER diagram representing clubs and their activities. ID name club Sponsor date time building room activity capacity description A club has a unique ID and a name. An activity has a date, a time, and a description, and is in a room. A room has a unique (building, room number) and a capacity. Each activity is sponsored by exactly one club. 1. Following the rules we studied, convert the ER diagram into a relational schema. 2. The resulting schema is not in BCNF. Identify a non-trivial functional dependency where the le hand side is not a superkey. 3. Decompose into schemas that are in BCNF. 4. Modify the ER diagram so that it corresponds to the normalized schema and briefly explain wh the problem was with the original design.

HOMEWORK #6 Consider the following flawed ER diagram representing clubs and their activities. ID name club Sponsor date time building room activity capacity description A club has a unique ID and a name. An activity has a date, a time, and a description, and is in a room. A room has a unique (building, room number) and a capacity. Each activity is sponsored by exactly one club. 1. Following the rules we studied, convert the ER diagram into a relational schema. 2. The resulting schema is not in BCNF. Identify a non-trivial functional dependency where the le hand side is not a superkey. 3. Decompose into schemas that are in BCNF. 4. Modify the ER diagram so that it corresponds to the normalized schema and briefly explain wh the problem was with the original design.

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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