Dropping ER Diagrams First For Businesses

I looked into it a bit, data definition is a key starting step in building an app, ER diagrams for systems can be a reference to obtain more practical knowledge in different business domains,

Refs:

https://123projectlab.com/er-diagram-for-online-shopping-system/ ,

https://www.vertabelo.com/blog/er-diagram-for-hospital-management-system/ ,

https://www.triniti.com/oracle-erd-er-diagrams ,