Apply relational modelling concepts and principles

Assignment Help Database Management System

Reference no: EM133561693

Database Fundamentals

Learning Outcome 1: Explain the theoretical approaches used in database development and the issues related to data management in an enterprise.
Learning Outcome 2: Explain the fundamentals of database languages, models and architecture.
Learning Outcome 3: Apply relational modelling concepts and principles to design a database.

Overview:
For this assignment, you need to create an ER diagram based on the written specifications and reconstruct a written specification from an existing ER diagram.

Activity 1: Draw an Entity Relationship Diagram (Case Study)

Create an Entity Relationship diagram (including connectivity and cardinality) based on the following scenario. Specify any assumptions or additional constraints you have applied.

A fitness center named ‘FitLife' wants to manage its membership and class scheduling system. ‘FitLife' offers various fitness classes to its members, each class has a unique schedule, and members can sign up for these classes. Members pay a monthly membership fee, and some classes may have an additional fee. The system also keeps track of the attendance of members in each class.

Members can choose to upgrade their membership to a premium level, which gives them access to exclusive classes. Premium members pay an extra fee for this privilege.

Design an Entity Relationship diagram that represents the relationships between members, classes, schedules, payments, and membership levels in the ‘FitLife' fitness center system. Be sure to specify the connectivity and cardinality between the entities. Additionally, state any assumptions or constraints you've considered in your design.

Activity 2: Write Specification from Entity Relationship Diagram

Compose the operational guidelines for the given Entity-Relationship Diagram. Exclude attribute descriptions and focus on specifying all cardinalities, participation constraints, and identifying strong and weak relationships. Please use plain English rather than technical database terminology.

Reference no: EM133561693

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