• About 2 minutes task, you define core entities that your apis use and the system will persist in a Data Model.

  • Write it in shape of bullet list and Don’t forget to tell the interviewer that this list is a draft and will be updated as we go.

  • Don’t list the entire data model (columns and fields of the entities) this will be done on the High-level design phase. As you design your system you will discover new entities and relationships you didn’t discover before.

  • Start simple and update as you go

  • Aim to choose good names for your entities