What is the difference between SAP ECC and S 4 Hana?

Related questions

1. What is the objective of concurrency control?
2. What are concurrency strategies?
3. What is Multiversion two phase locking?
4. Why is strict 2pl popular?
5. What are concurrency issues?
6. What is MVCC in MySQL?
7. What is dirty read problem?
8. What is the difference between row level locking and table level locking?
9. What is the difference between optimistic and pessimistic concurrency?
10. Why concurrency control is needed?

Tags

1. #faster
2. #completely
3. #because
4. #database
5. #different
6. #resides
7. #reads
8. #databases
9. #memory
10. #write
11. #fetch
12. #traditional
13. #which
14. #though
15. #4hana
16. #happens