Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

The local city youth league needs a database system to help track children that sign up to play soccer. Data needs to be kept on

The local city youth league needs a database system to help track children that sign up to play soccer. Data needs to be kept on each team and the children that will be playing on each team as well as their parents. Also, data needs to be kept on the coaches for each team.

Create an ERD with draw.io Links to an external site.based on the details below. SUBMIT a PNG EXPORT

Remember to denote primary and foreign keys (PK, FK) as well as both cardinality (one/many) and participation (mandatory/optional) for relationships.

Note that there is a SINGLE many-to-many relationship in this model--and you must create a 'join' or 'bridge' table to hold the foreign keys.

Also remember to use proper/valid field names (no spaces or special characters, except _)--and follow the convention of using all lowercase.

Entities required: Team, Player, Coach, and Parent.

Attributes required for each entity:

Team: Team_ID number, name, and colors.

Player: Player_ID number, first name, last name, and age.

Coach: Coach_ID number, first name, last name, and home phone number.

Parent: Parent_ID number, last name, first name, Home phone number, and Home Address (Street, City, State, and ZIP Code--to simplify for this exercise, just put all of these into a a single 'address' field).

Further requirements:

Team is related to Player.

Team is related to Coach.

Player is related to Parent.

Specifically:

A Team may have many Players.

A Player has only one Team.

A Team may or may not have a Player.

A Player must have a Team.

A Team may have many Coaches.

A Coach has only one Team.

A Team may or may not have a Coach.

A Coach must have a Team.

A Player may have many Parents.

A Parent may have many Players.

A Player must have a Parent.

A Parent must have a Player.

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Big Data Concepts, Theories, And Applications

Authors: Shui Yu, Song Guo

1st Edition

3319277634, 9783319277639

More Books

Students also viewed these Databases questions