Database Systems: Concepts, Design and Applications, 2nd Edition

Answers

CHAPTER 1 INTRODUCTION OF DATABASE SYSTEM

STATE TRUE/FALSE

1. True
2. True
3. True
4. True
5. False
6. True
7. True
8. False
9. True
10. True
11. True
12. False
13. True
14. False
15. False
16. True
17. True
18. True
19. True
20. True
21. False
22. True
23. False.

TICK (√) THE APPROPRIATE ANSWER

1. (a)
2. (a)
3. (d)
4. (c)
5. (d)
6. (d)
7. (b)
8. (d)
9. (d)
10. (a)
11. (d)
12. (d)
13. (d)
14. (d)
15. (a)
16. (a)
17. (a)
18. (b)
19. (d)
20. (d).

FILL IN THE BLANKS

1. Data
2. Fact, processed/organized/summarized data
3. DBMS
4. (a) Data description language (DDL), (b) data manipulation language (DML)
5. DBMS
6. Database Management System
7. Structured Query Language
8. Fourth Generation Language
9. (a) Operational Data, (b) Reconciled Data, (c) Derived Data
10. Data Definition Language
11. Data Manipulation Language
12. Each of the data mart (a selected, limited, and summarized data warehouse)
13. (a) Entities, (b) Attributes, ...