
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Transcribed Image Text:Question A2
Consider the following business rules:
1. Each game company creates several games for players. Each company has a company
ID and company name. Each player has a player ID and player name. Each game has a
game ID and game name.
2. Each game is created by one company.
3. All games can be played by multiple players at the same time.
4. Every player can play as many games as they like.
5. There is no collaboration among the game companies.
(a) Draw a basic entity relationship diagram (without attributes) which reflects the above business
rules using Crow's Foot notation.
(b) Assume you are building the above data model in Microsoft Access, identify those attributes
which are necessary with appropriate domain and write the SQL statements that create those
tables in the database which implement the relationships in part (a) of this question
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