Databases and Warehousing/What is the terabyte?

terabyte คือหน่วยวัดความจุในการเก็บของคอมพิวเตอร์ และเป็น 240 หรือล้านล้านไบต์

Questions for Review

1. /List the major sources of data.
2. /List some of the major data problem.
3. /What is the terabyte?(Write the number.)
4. /Review the steps of the data life cycle and explain them.
5. /List some of the categories of data available on the Internet.
6. /Define data Quality.
7. /Define document management.
8. /Describe the hierarchy of a file management system.
9. /What are the problems that arise from the file environment?
10. /Discuss a relational database and how it differs from other databases.
11. /What are the components of a database of a database management system (DBMS)?
12. /What is the difference between the conceptual, logical and physical views of data?
13. /How can you get data out of a database?
14. /What are the benefits of using a DBMS?
15. /What is the difference between entities and attributes?
16. /Describe a data warehouse.
17. /Describe a datamart.
18. /Define a marketing transaction database.