Lightning talk from javabin summer meeting 2010 on effects of choosing NoSQL (in Norwegian)

1. NoSQL Hang the (fritt etter The Smiths) Knut Haugen, JavaBin, 2010-06-10 DBA RDBMS

2. <meg> Knut Haugen (Økokrim, snart Objectware) Programmerer og total NoSQL fanboy </meg>

3. NoSQL != NoSQL

4. 1. tese

5. Valgmuligheter

6. 2. tese

7. Tradeoffs

8. 3. tese

9. Datamodellen

10. Win

11. Smidighet

12. Domenet i fokus

13. Direkte aksess til data

14. Mindre friksjon

15. Impedance mismatch

16. Skalerbarhet

17. Distribusjon

18. Lose

19. Uoversiktlig landskap

20. http://nosql-database.org/ http://nosql.mypopescu.com/

21. Ny tech

22. Umodne frameworks

23. HDD

24. Direkte aksess til data

25. OWS

26. Kobler domenet til persistensen

27. Uvant territorium

28. Glem rapporteringen

29. DBAens skjebne

30. Ukjent produkt

31. Umodne mgt. tools

32. Hvordan modellere?

33. ER-modell Noe annet

34. PL/SQL?

35. map/reduce i Javascript :-)

36. Ikke heng DBA'en

37. Dressurkurs

38. NoSQL Hang the DBA @knuthaug http://blog.knuthaugen.no/ http://github.com/knuthaug [email_address]

39. @Test public void retrievePersonFromDatabase (){ Person testPerson = new Person ( &quot;Knut Haugen&quot; , new Address ( &quot;Josefines gate&quot; , &quot;0401&quot; , &quot;oslo&quot; , &quot;Norge&quot; )); persons. insert (testPerson); Person dbPerson = (Person) persons. findOne (); assertEquals (testPerson. get ( &quot;name&quot; ), dbPerson. get ( &quot;name&quot; )); assertEquals ( ((Address) dbPerson. get ( &quot;address&quot; )). place (), &quot;oslo&quot; ); }

40. //Imports and package snipped public class Person implements DBObject { Map map = new LinkedHashMap (); public Person () { // for the driver to be able to instantiate! } public Person ( String fullName, Address newAddress) { put ( &quot;name&quot; , fullName); put ( &quot;address&quot; , newAddress); } public Object put ( String s, Object o) { return map. put (s, o);} public void putAll (DBObject dbObject) { } public void putAll ( Map map) {} public Object get ( String s) { return map. get (s); } public Map toMap () { return map; } public Object removeField ( String s) { return null; } public boolean containsKey ( String s) { return false;} public boolean containsField ( String s) { return false;} public Set < String > keySet () { return map. keySet (); } public void markAsPartialObject () {} public boolean isPartialObject () { return false; } }

41. import org.neo4j.graphdb. Node ; public class Person extends NetworkNode implements Person { private final String PERSON_BIRTHDATE = &quot;birthDate&quot; ; private final String NAME_PROPERTY = &quot;name&quot; ; private final Node node; public Person ( Node underlyingNode) { Node = underlyingNode; } public String birthDate ( String BirthDate) { underlyingNode. setProperty (PERSON_BIRTHDATE, birthDate ); return ( String ) node. getProperty (PERSON_BIRTHDATE); } public String birthDate () { return ( String ) node. getProperty (PERSON_BIRTHDATE); } public String name ( String name) { underlyingNode. setProperty (NAME_PROPERTY, name); return ( String ) node. getProperty (NAME_PROPERTY); } public String name () { return ( String ) node. getProperty (NAME_PROPERTY); } public Node getUnderLyingNode () { return node; } }

42. Spørsmålene

43. Aksessmønstre?

44. ACID?

45. Vil skjemaet endre seg?

46. Hva er datamodellen?

47. Brede eller smale datasett?

48. Constraints og relasjoner?

49. Hvor høyt må du skalere?

50. Drift

51. Umodent

52. Ukjent

53. Ny infrastuktur

54. Tynn doc