Why do we use dimensional modeling in DW?

Related questions

1. Is Hadoop good for OLTP?
2. What is data warehouse architecture?
3. Is Hadoop a database?
4. What is OLTP explain?
5. When would you use a data warehouse?
6. What are the different phases of data warehouse lifecycle?
7. What is a data lake used for?
8. What is a Type 2 change?
9. Can Hadoop replace Teradata?
10. Which one is better star schema or snowflake?

Tags

1. #performance
2. #query
3. #denormalized
4. #boost
5. #helps
6. #dimensional
7. #optimized
8. #schema
9. #creates
10. #which
11. #querying
12. #therefore
13. #minimized
14. #joins
15. #modeling
16. #model
17. #fewer
18. #redundancy
19. #means