1. Identify two benefits of separating application software from the DBMS. 2. Describe the similarities between an abstract data type (Chapter 8) and a database model. 3. Identify the level within a...

1.
Identify two benefits of separating application software from the DBMS.

2.
Describe the similarities between an abstract data type (Chapter 8) and a database model.

3.
Identify the level within a database system (user, programmer of application software,

designer of the DBMS software) at which each of the following concerns or activities occur:

a. How should data be stored on a disk to maximize efficiency?

b. Is there a vacancy on flight 243?

c. How should a relation be organized in mass storage?

d. How many times should a user be allowed to mistype a password before the conversation

is terminated?

e. How can the PROJECT operation be implemented?