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In this story, you’ll be learning all about entity relationship diagrams or ERDs. we are going to start by discussing a high-level overview. and then together we’ll dive in and build an

example, complete with entities, attributes, relationships, and cardinality. By the end of this story, you will be able to build an entire Entity Relationship Diagram from scratch. Have you

ever wondered how Amazon can keep track of so many different orders, customers, and products? the answers to these questions lie within the creation of a database, which in other words, is a

collection of information that is organized so data can be easily stored, managed, updated, and retrieved. Now there is a lot of moving information in a database and understanding how the

many elements of a database interact with each other can be difficult to grasp. Engineers need a visual way to understand how all the separate elements are related to each other and how they

are working together. to show this, they build Entity Relationship Diagrams. WHAT IS AN ER DIAGRAM? An Entity Relationship Diagram (ERD) is a visual representation of different entities

within a system and how they relate to each other. It is a tool used to design and model relational databases and shows the logical structure of the database. for example, classroom, course,

department and person may be described using ER diagrams in the following way: So let’s talk about how you are going to make these ER diagrams, you can draw them out with pen and paper, but

it’s going to be easier for you to use a diagramming tool. Thanks to ChatGPT In this Story, I am going to use an easy-to-use tool called ChatGPT and you can too. Let’s Try out Please create

 an ER diagram that meets the following conditions: ・It holds general data of the retail industry ・Each table contains multiple data items (columns) ・It is structured in a star schema for 

easy data analysis Output …