1. Consider the ER diagram for the university database shown in Figure 8.9 of the Elmasri/Navathe text. Enter this design using a data-modeling tool such as ERWin.
![1078_e3e95a67-06e3-4a4c-98cf-410adb03c017.png](https://secure.tutorsglobe.com/CMSImages/1078_e3e95a67-06e3-4a4c-98cf-410adb03c017.png)
2. Consider the ER diagram for the small airport database shown in Figure 8.12 of the Elmasri/Navathe text. Enter this design using a data-modeling tool such as ERWin.