Describe the major components of a data warehouse.



1. Question 1. (25 Points) 

Answer the following questions about data warehouse. 

a. (5 Points) What is a data warehouse? 

b. (5 Points) Describe the data warehousing process. 

c. (5 Points) Describe the major components of a data warehouse. 

d. (8 Points) How does a data warehouse differ from a database? 

e. (6 Points) List the benefits of data warehouses.

f. (6 Points) Why is Web accessibility important with a data warehouse?

2. Question 2. (30 points) 

Answer the following questions about data process. 

a. (5 Points) Describe data integration 

b. (5 Points) Describe the three steps of the ETL process. 

c. (10 Points) Compare data integration and ETL. How are they related? 

d. (10 Points) Describe how data integration can lead to higher levels of data quality. 

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