Why OLAP is needed?

Related questions

1. Is Hadoop a OLAP?
2. What is OLAP in SQL?
3. What is difference between OLAP and data warehouse?
4. What is the OLAP in data warehouse?
5. Is OLTP database design optimal for data warehouse?
6. What is use of OLAP?
7. What are OLAP functions?
8. What is OLTP and OLAP in SQL?
9. How OLAP is used in business?
10. Is HBase OLAP or OLTP?

Tags

1. #benefits
2. #database
3. #other
4. #enhances
5. #systems
6. #offers
7. #resources
8. #reporting
9. #their
10. #addition
11. #users
12. #reduce
13. #aggregate
14. #relational
15. #analyses
16. #solution
17. #enabling
18. #demands
19. #warehouse
20. #business
21. #calculations
22. #trustworthy