Suppose you are given the following requirements for a simple database for the National Hockey League (NHL): • There exists many teams in the NHL • Each team has a teamID, name, a city, a coach, and one or more players • Each player belongs to only one team Each player has a playerID, name, a position (such as left wing or goalie), a skill level, and a set of zero or more injury records • An injury record has an injuryRecordID, a game, a player, and a description. • A game is played between two teams and has a gameID, a home TeamID, an away TeamID, a date (such asMay 11th, 2017), a home team score, and an away team score. Construct a schema for this database and ensure all relationships cardinalities (1:1, 1:M, M:M) match the requirements above. Then, using this schema, write your Data Definition Language queries in SQL to be able to create these tables in SQLite. Ensure all relevant constraints (Primary Keys, Foreign Keys, NOT NULL, data types) are included. Submit both the schema diagram and a .sql file containing all of your create table queries.

Suppose you are given the following requirements for a simple database for the National Hockey League (NHL): • There exists many teams in the NHL • Each team has a teamID, name, a city, a coach, and one or more players • Each player belongs to only one team Each player has a playerID, name, a position (such as left wing or goalie), a skill level, and a set of zero or more injury records • An injury record has an injuryRecordID, a game, a player, and a description. • A game is played between two teams and has a gameID, a home TeamID, an away TeamID, a date (such asMay 11th, 2017), a home team score, and an away team score. Construct a schema for this database and ensure all relationships cardinalities (1:1, 1:M, M:M) match the requirements above. Then, using this schema, write your Data Definition Language queries in SQL to be able to create these tables in SQLite. Ensure all relevant constraints (Primary Keys, Foreign Keys, NOT NULL, data types) are included. Submit both the schema diagram and a .sql file containing all of your create table queries.

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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Suppose you are given the following requirements for a simple database for the football League (FL): the FL has many teams, each team has a name, a city, a coach, a captain, and a set of players; 24 players, each player belongs to only one team, each player has a name, a position (such as left wing or goalie), a skill level, and a set of injury records, • a team captain is also a player, • a game is played between two teams ( 2020) and a score (such as 4 to 2). host team and guest team) and has a date (such as May 11th, 1- Construct a Database Conceptual Model using UML ER diagram for the FL database. 2- Use mapping rules to convert the design to Logical database model using UML ER model. 3- Check the entities to be in the 3NF normal form. 4. Write the needed SQL Statements to create the database.
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