What is a data mart What are the advantages of having one?

Related questions

1. Why would you normalize data?
2. What is ETL and why is it important?
3. How does a data mart work?
4. What are the three layers of data warehouse architecture?
5. What is data mart and its advantages?
6. What is difference between data warehouse and data mart?
7. What is the difference between a database and a data warehouse?
8. Is a fact table normalized or denormalized?
9. Why do we use ETL tools?
10. What are OLAP tools?

Tags

1. #focused
2. #access
3. #specific
4. #condensed
5. #response
6. #lower
7. #implementing
8. #improves
9. #allowing
10. #users
11. #warehouse
12. #version
13. #using
14. #advantages