Creating Entity-Relationship Models

1. Data model for Facebook

Create an Entity-Relationship diagram that models the main functionality of Facebook

• Two possible data models as of end of class on 2018/09/06 jpg file 1 | jpg file 2
• Data model as of end of class on 2018/09/11 jpg file

2. Reverse engineer a data model

Reverse engineer the Entity-Relationship diagram for the relational tables at NBER Patent Citations Data

• Data model as of end of class on 2018/09/11 jpg file