Frankfurt UAS / Prof. Rich
Databases
Page 1 of 2
Exercises Number 1
1. Give some informal queries and updates that you would expect to apply to the database
shown in figure 1.2.
2. What is the difference between controlled and uncontrolled redundancy?
3. Give all the relationships among the records of the database shown in Figure 1.2.
Figure 1.2
Frankfurt UAS / Prof. Rich
Databases
Page 2 of 2
4. Give some additional views that may be needed by other user groups for the database
shown in Figure 1.2.
5. Give some examples of integrity constraints that you think should hold on the database
shown in Figure 1.2.