1. NOSQL

2. • A database is a collection of information that is
organized so that it can easily be accessed,
managed, and updated (Wikipedia)

3. RDBMS
Relational Database Management System

5. SQL
mmunicate with a database. SQL the standard language for relat

6. Database = RDBMS = SQL
for almost 30 years …

8. RDBMS Advantages
•Reliability
•Suitable for vertical scale
•Multi-User Access

9. RDBMS Disadvantages
•Horizontal Scale
•Billions, billions queries each day

10. CAP Theorem
(Brewer’s theorem)

12. NOSQL

13. From ACID TO BASE
•Basically Available: System seems to work all the time
•Soft State: It doesn’t have to be consistent all the time
•Eventually Consistent: become consistent at some later time

16. Practical Design

19. Thanks for
Listening

20. Q&A

21. References
• Wikipedia
• http://robertgreiner.com/2014/08/cap-theorem-revisited/