Database Diagram PDF

## Database Diagram The database diagram represents a system with various entities and their relationships. **Entities:** * **Parents:** * children * payment * **Student:** * Schedule * Grade * queves * **General Worker:** * Tasks * Issues_reported * **Manager:**...

## Database Diagram The database diagram represents a system with various entities and their relationships. **Entities:** * **Parents:** * children * payment * **Student:** * Schedule * Grade * queves * **General Worker:** * Tasks * Issues_reported * **Manager:** * Tasks * Courses * Reports * **Person:** * Name * Id * Email * **Course:** * Course_hame * Course_id * instructor * Students * Wait_list * **Queue:** * Course * Queue_list * **Teacher:** * Students * **Payment:** * amount * payment_date * payment_status (Enum) * **Task:** * task_name * Description * status (Enum) * **Status:** * wait / execution / complete **Relationships:** * **Parents** are related to **Person** through **children**. * **Students** are related to **Person** through **queves**. * **General Worker** is related to **Person** through **Tasks**. * **Manager** is related to **Person** through **Tasks**. * **Teachers** are related to **Person**. * **Students** are related to **Course**. * **Teachers** are related to **Course** through **Instructor**. * **Courses** are related to **Queue** through **Course**. * **Teacher** is related to **Queue** through **Students**. * **Payment** is related to **Task** through **payment_date**. * **Task** is related to **Status** through **status**. **Notes:** * The diagram uses a box representation with lines connecting the entities. * Arrows indicate the direction of the relationship. * The diagram implies a one-to-many relationship between certain entities. * The diagram suggests multiple users can participate in the system (parents, students, general workers, managers, teachers). * The focus is primarily on educational activities and tasks related to courses, students, and teachers. **Summary:** The diagram depicts a database schema for a system likely used to manage educational courses and related activities. It establishes relationships between different entities like parents, students, instructors, managers, tasks, and payments. Ultimately, the diagram shows a complex system with various interactions among its various components.