ER DiagramYou are working for DroneCore, a new startup that provides a backend for drone-based companies in towns and cities around the world. Your employer tasks you with designing a database for this service. Given the following information, draw the ER diagram:Any given startup should store information about Drones, Hubs, Employees, History entries, and Users.A Hub has an ID associated with it.A Drone has an ID, a model, a purchase date, and an assigned Hub, which it operates out of.Each Employee has an ID, a name, and a salary, and works at a specific Hub.Employees may also maintain a set of Drones. An employee can maintain any number of drones, but each drone must be maintained by exactly one employee.Each User has an ID, a name, and a preferred Hub.The company stores delivery History. A history item tracks a Drone's delivery to a User, and stores the departure time, the delivery number, time of arrival, and return time.This is MYSQL

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Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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ER Diagram

You are working for DroneCore, a new startup that provides a backend for drone-based companies in towns and cities around the world. Your employer tasks you with designing a database for this service. Given the following information, draw the ER diagram:

Any given startup should store information about Drones, Hubs, Employees, History entries, and Users.
A Hub has an ID associated with it.
A Drone has an ID, a model, a purchase date, and an assigned Hub, which it operates out of.
Each Employee has an ID, a name, and a salary, and works at a specific Hub.
Employees may also maintain a set of Drones. An employee can maintain any number of drones, but each drone must be maintained by exactly one employee.
Each User has an ID, a name, and a preferred Hub.
The company stores delivery History. A history item tracks a Drone's delivery to a User, and stores the departure time, the delivery number, time of arrival, and return time.

This is MYSQL

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