This Salesforce ER Diagram Metadata facilitates understanding of how data is organized, how different data types interact, and so on. However, there has not been a simple way to construct the ERD. You can draw This Salesforce ER Diagram Metadata diagram by hand, but it could take hours. When programming your CRM to automate processes, collect and analyze data, and become a more effective tool for sales reps, entity-relationship diagrams are used as a visual representation of the database (or when advising other companies on how to implement or revamp Salesforce).