DBMS : ER diagram for National Hockey League (NHL) | er diagram practice questions

Learn how to create an ER diagram for the National Hockey League (NHL) through detailed, real-world examples and practical tips. This video provides a comprehensive guide on developing Entity-Relationship diagrams, tailored to help viewers understand the fundamental concepts and applications specific to the NHL. Starting with identifying key entities such as teams, players, and coaches, it demonstrates the step-by-step process of mapping out relationships and attributes essential for a robust database design.

This tutorial is ideal for students and professionals looking to enhance their DBMS skills, offering practice questions to solidify the learning experience. With clear explanations and visual aids, you will gain confidence in constructing ER diagrams and applying this knowledge to various database scenarios. Boost your understanding of DBMS and ER diagrams, and elevate your ability to manage and organize data effectively within the context of the NHL.


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Suppose you are given the following requirements for a simple database for the National Hockey League (NHL):
(i) the NHL has many teams,
(ii) each team has a name, a city, a coach, a captain, and a set of players,
(iii) each player belongs to only one team,
(iv) each player has a name, a position (such as left wing or goalie), a skill level, and a set of injury records,
(v) a team captain is also a player,
(vi) a game is played between two teams (referred to as host team and guest team) and has a date (such as May 11th, 1999) and a score (such as 4 to 2).
Construct a clean and concise ER diagram for the NHL database.

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