Voxxed Athens 2018 - We're going to talk about no sql, you can't join by Stavros Korokithakis

1. We’re going to talk about NoSQL,
you can’t join.
by @stavros
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2. 2
The meteoric rise of NoSQL

3. 3
I am here to change your mind

4. The five
stages of this
talk
4
They’re actually 23,
but I didn’t want to
bore you.
1. Denial
2. Anger
3. Bargaining
4. Depression
5. Switching to a relational datastore

5. 5
Datastores are important
DATA

6. 6
A brief history of datastores
Did you know? You didn’t. Nobody knew.

7. 7
In the beginning, there was the hierarchical model
Root
Right childLeft child
Communism Socialism Wrong child Fascism

8. 8
Edgar Codd invents the relational model
Hello? This is Edgar
Codd from 1970,
I’ve just invented
relational DBs!
Yes mom, I did brush
my teeth.

9. 9
The 2010s reinvent the hierarchical model

10. 10
NoSQL is the atheism of databases
The chilling of Adam, 1508, Michaelangelo
Sup

11. 11
Schemas
SCHEMA NO SCHEMA

12. 12
Schemas are a point of contact
Mmm, you have
such soft hands...
Please let go of me.

13. 13
Relations
Are you sure you’re
a throat doctor?

14. 14
JOINs

15. 15
ACID

16. 16
Atomicity

17. 17
Consistency

18. 18
Isolation

19. 19
Durability

20. 20
Read the instructions

21. 21
Migrations

22. 22
Premature optimization

23. 23
NoSQL databases

24. 24
What to pick?

25. Remember: Friends don’t let friends start with NoSQL.
Photo by Rob Potter on Unsplash25

26. References
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Klepmann, M. (2017) - Designing Data-Intensive Applications
(O’Reilly Media)
This is where I stole
everything from.

27. Thank you!
www.stavros.io
@stavros
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