Databases and Warehousing/What is the terabyte?
terabyte คือหน่วยวัดความจุในการเก็บของคอมพิวเตอร์ และเป็น 240 หรือล้านล้านไบต์
Questions for Review
แก้ไข- /List the major sources of data.
- /List some of the major data problem.
- /What is the terabyte?(Write the number.)
- /Review the steps of the data life cycle and explain them.
- /List some of the categories of data available on the Internet.
- /Define data Quality.
- /Define document management.
- /Describe the hierarchy of a file management system.
- /What are the problems that arise from the file environment?
- /Discuss a relational database and how it differs from other databases.
- /What are the components of a database of a database management system (DBMS)?
- /What is the difference between the conceptual, logical and physical views of data?
- /How can you get data out of a database?
- /What are the benefits of using a DBMS?
- /What is the difference between entities and attributes?
- /Describe a data warehouse.
- /Describe a datamart.
- /Define a marketing transaction database.