### Database Management This educational overview outlines how a gym's database is structured and managed through various interconnected tables: 1. **Members Table:** - **Purpose:** Stores information about gym members. - **Attributes:** - Unique Member ID - First and last name - Date of birth - Gender - Address and phone number - Email - Membership details (e.g., type, join date, expiry date) - Emergency contact details 2. **Trainers Table:** - **Purpose:** Holds data about fitness trainers. - **Attributes:** - Unique Trainer ID - First and last name - Date of birth - Gender - Contact information and specialization - Years of experience - Certifications 3. **Classes Table:** - **Purpose:** Provides details about fitness classes offered. - **Attributes:** - Unique Class ID - Class name and description - Schedule (days and timings) - Class capacity - Trainer ID associated with the class - Class type (e.g., yoga, spin) 4. **Gym Equipment Table:** - **Purpose:** Manages equipment details. - **Attributes:** - Equipment ID - Equipment name and description - Condition (e.g., new, used) - Purchase and warranty expiration dates 5. **Workouts Table:** - **Purpose:** Records gym members' workout details. - **Attributes:** - Member ID and Trainer ID - Workout date and type - Duration and calories burned - Additional notes 6. **Nutrition Plans Table:** - **Purpose:** Details nutrition plans provided to members. - **Attributes:** - Plan ID, Member ID - Start and end dates - Meal descriptions and calorie intake 7. **Payments Table:** - **Purpose:** Tracks payment records. - **Attributes:** - Payment ID, Member ID - Payment date and amount - Payment method and status 8. **Attendance Table:** - **Purpose:** Captures member attendance. - **Attributes:** - Attendance ID, Member ID, Class ID - Attendance date - Check-in and check-out times 9. **Reviews Table:** - **Purpose:** **Entity Relationship Diagram Explanation** The diagram represents the structure of relationships between different entities at Veterans Elementary School. Here's a detailed breakdown: ### Main Entities and Relationships: 1. **Student** - **Attributes:** - Student ID - Name (FName, MInit, LName) - Sex - Address - **Relationships:** - **Belongs To:** Connected to Guardian (1:1) - **Enrolled In:** Related to Grade (N:M) and Courses (N:M) - **Score Record:** Linked to Report Type, Subject Level (1:N) 2. **Guardian** - **Attributes:** - Guardian ID - Name (FName, MInit, LName) - Phone 3. **Programs** - **Attributes:** - Program ID - Program Type - Start Time - End Time - Day - Commuter Type - **Relationships:** - **Register For:** Related to Student (0:N) - **Supervised By:** Linked to a Supervisor (0:N) 4. **Supervisor** - **Attributes:** - Supervisor ID - Name (FName, MInit, LName) - **Relationships:** - **Supervises:** Programs (1:N) 5. **Grade** - **Attributes:** - Grade ID - Years - **Relationships:** - **Team Lead Of:** Teacher (0:1) - **Contains:** Classrooms (1:N) 6. **Classrooms** - **Attributes:** - Room No - **Relationships:** - **Teaches:** Linked to Teacher (1:1) 7. **Teacher** - **Attributes:** - Staff ID - Name (FName, MInit, LName) - Schedule - DOB - Sex - SSN - **Relationships:** - **Homeroom Teacher:** Connected to Grade (1:1) 8. **Courses** - **Attributes:** - Course ID - Course Name 9. **Staff** - **Attributes:** - Staff ID - Name (FName, MInit, LName) - Phone - Address