: These are the connectors. For example, the trainer_id inside the Classes table "points" back to the main Staff table to ensure you don't assign a class to a trainer who doesn't exist. How to use this file
: This tracks which members are signed up for which specific class sessions. 3. Operations & Revenue gym-diagram.mwb
: You need MySQL Workbench (Free/Open Source) installed on your computer. : These are the connectors
: A junction table that records every time a Member ID scans in at the front desk. 2. The Fitness Ecosystem : An inventory list of machines
): Many Members can sign up for many Classes . In the diagram, this is usually resolved by a "link table" called Class_Bookings .
: An inventory list of machines, their maintenance history, and which zone of the gym they belong to. Key Relationships (The "Lines" in the Diagram) The power of the .mwb file is in its relationships : One-to-Many ( ): One Membership Type can be held by many Members . Many-to-Many (
: Details about employees, their specialties (Yoga, HIIT, Powerlifting), and their hourly rates.