ER Diagram Technical Task

Technical Task Description

Draw a single ER diagram (ERD) that represents the specifications described in the scenario below. Use Chen or Crow foot notation for drawing this ERD.

Scenario:

A small retail store wants to create a database to manage its inventory and sales. The store sells various types of products, including clothing, accessories, and home goods. Customers can purchase items in-store or online, and the store wants to track sales and inventory for each location separately. The store has multiple employees who can make sales, and each employee is assigned to a specific location. The store also wants to track customer information, including names, email addresses, and purchase history.

Requirements:

Identify main entities in the store's database and determine how they are related to each other and then draw an entity relationship diagram (ERD) for the store's database. Include all necessary entities, attributes, relationships, and constraints. There must be at least four attributes represented for each entity.

Also consider the cardinality and optionality of each relationship and write down any additional constraints or assumptions that might be necessary for the store database.

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