![]() Go through each of your entities and determine what attributes they need to have. For the customer, we’ll need to know name, customer id, their phone number, where they live and the amount they need to pay. Step 2: Next, determine the attributes (or variations) your entities will have. In the case of this cell phone purchase flow, the entities are: the customer, the type of phone, the bill, and the login. Step 1: Start by determining the entities that will make up your diagram. Select Software Design, open up all the options by clicking the down arrow, then choose the Entity-Relationship symbols. To get started creating your ERD, open up a new diagram and scroll down to “more shapes” in the library section. (For a more in-depth look as well as a description of commonly used ERD symbols and their meaning, check out this article.) An Entity-Relationship diagram is hugely important in database design and should be the first thing you draw when contemplating database architecture. What is an entity relationship diagram (ERD)?ĮRDs are used for describing data and the rules determining how entities and attributes interact with each other. ![]() Here's the guide to building an ERD! We'll be using Gliffy Diagram for Confluence and Jira in the examples below, but feel free to use your diagram tool of choice. □
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