Why is SAP HANA database so fast?

Related questions

1. What is SAP HANA for beginners?
2. What does S 4hana stand for?
3. What is difference between SAP HANA and S 4 Hana?
4. Does SAP Fiori require Hana?
5. What is new in SAP s4 Hana?
6. Why SAP HANA is fast?
7. Is SAP HANA Rdbms?
8. What is OS DB migration in SAP?
9. Is SAP HANA Studio free?
10. What is SAP HANA live?

Tags

1. #architecture
2. #memory
3. #first
4. #database
5. #rdbms
6. #loaded
7. #place
8. #improved
9. #tables
10. #processing
11. #column
12. #second
13. #offers
14. #because
15. #traditional
16. #stores
17. #based
18. #typically
19. #takes
20. #access
21. #versus
22. #productivity