Folienset von meinem eintägigen Workshop bei der DNUG Braunschweig. Blogeintrag: http://blog.johanneshoppe.de/2012/08/nosql-bootcamp-fazit/

1. {NoSQL-BootcamP}

3. {Intro}
case file 001

6. Daten
2002 2004 2006 2008 2010 2012

8. Scale-up

9. Scale-out

11. Schemafrei

12. Anforderungen
an ein verteiltes System
Consistency
Konsistenz
Partition
Availability
Tolerance Verfügbarkeit
Ausfalltoleranz

13. ›
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14. ›
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15. ›
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16. ›
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17. “Drum prüfe,
wer sich ewig bindet.”
Friedrich Schiller

18. › 
› 
›
›
›

21. {Redis}
case file 002

29. › SET note1:title "Mittag"
› SET note1:message "nicht vergessen"
› KEYS note1:*
› GET note1:title
› DEL note1:title note1:message

32. http://bit.ly/ISv9f6

34. {RavenDB}
case file 003

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44. ›
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45. ›
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47. “While being RESTful is a goal of the
HTTP API, it is secondary to the goal of
exposing easy to use and powerful
functionality”
Ayende Rahien on the HTTP API - http://ravendb.net/documentation/docs-http-api-restful

48. ›
›
›
C:>curl -X GET http://localhost:8080/docs/Categories/1 -i
HTTP/1.1 200 OK
Content-Type: application/json; charset=utf-8
ETag: 00000000-0000-0200-0000-000000000004
{
"Name" : "Normal Importance",
"Color" : "green"
}

49. Classic Linq Style Lucene Style
var notes = session var notes = session.Advanced
.Query<Note>() .LuceneQuery<Note>()
.Where(n => n.Category == “Important") .Where(“Category:Important")
.ToArray(); .ToArray();

50. {MongoDB}
case file 004

58. CODASYL model SQL Agile becoming more Google MongoDB initial
published invented popular BigTable release
IBM’s Oracle Brewer’s Amazon
IMS INGRES founded CAP born Dynamo
1966 1969 1970 1973 1974 1977 1985 1990’s 2000 2004 2007 2008 2009
10gen NoSQL
Codd publishes Term “object-oriented founded Movement
relational model paper database” appears
in 1970 Apache Cassandra
initial release

61. ›
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›

63. –
› use WebNote
› db.Notes.save(
{
Title: 'Mittag',
Message: 'nicht vergessen‘
}
);
› db.Notes.save

64. –
for(i=0; i<1000; i++) {
['quiz', 'essay', 'exam'].forEach(function(name) {
var score = Math.floor(Math.random() * 50) + 50;
db.scores.save({student: i, name: name, score:
score});
});
}
db.scores.count();

65. –
› db.Notes.find();
› db.Notes.find({ Title: /Test/i });
› db.Notes.find(
{ "Categories.Color": "red"}).limit(1);

66. –
› db.Notes.update({Title: 'Test'},
{'$set': {Categories: []}});
› db.Notes.update({Title: 'Test'},
{'$push': {
Categories:
{Color: 'Red'}
}
});

67. –
› db.dropDatabase();
› db.Notes.drop();
› db.Notes.remove();

73. ›
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85. {PAUSE!}

86. Hands ON
case file 005

88. ›
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89. › use digg
› db.stories.findOne();

91. › use digg;
› db.people.update({name: 'Smith'},
{'$set': {interests: []}});
› db.people.update({name: 'Smith'},
{'$push': {interests: ['chess']}});

95. map = function() {
emit(this.user.name, {diggs: this.diggs,
posts: 0});
}

96. reduce = function(key, values) {
var diggs = 0;
var posts = 0;
values.forEach(function(doc) {
diggs += doc.diggs;
posts += 1;
});
return {diggs: diggs, posts: posts};
}

97. db.stories.mapReduce(map, reduce, {out:
'digg_users'});
db.digg_users.find();

100. SIR,Yes,Sir!

101. Design
Schema
case file 006

103. http://bsonspec.org

104. 

115. NULL NULL
NULL NULL
NULL

116. > db.shapes.find()
› { _id: "1", type: "c", area: 3.14, radius: 1}
› { _id: "2", type: "s", area: 4, length: 2}
› { _id: "3", type: "r", area: 10, length: 5, width: 2}
// Shapes mit radius > 0 finden
> db.shapes.find( { radius: { $gt: 0 } } )

118. blogs: {
author : “Johannes",
date : ISODate("2011-09-18T09:56:06.298Z"),
comments : [
{
author : “Klaus",
date : ISODate("2011-09-19T09:56:06.298Z"),
text : “toller Artikel"
}
]
}

120. blogs: { _id: 1000,
author: “Johannes",
date: ISODate("2011-09-18"),
comments: [ {comment : 1)} ]}
comments : { _id : 1,
blog: 1000,
author : “Klaus",
date : ISODate("2011-09-19")}
> blog = db.blogs.find({ text: "Destination Moon" });
> db.comments.find( { blog: blog._id } );

122. // Jedes Produkt verlinkt die IDs der Kategorien
products:
{ _id: 10, name: "Destination Moon",
category_ids: [ 20, 30 ] }

123. // Jedes Produkt verlinkt die IDs der Kategorien
products:
{ _id: 10, name: "Destination Moon",
category_ids: [ 20, 30 ] }
// Jede Kategorie verlinkt die IDs der Produkte
categories:
{ _id: 20, name: "adventure",
product_ids: [ 10, 11, 12 ] }
categories:
{ _id: 21, name: "movie",
product_ids: [ 10 ] }

124. // Jedes Produkt verlinkt die IDs der Kategorien
products:
{ _id: 10, name: "Destination Moon",
category_ids: [ 20, 30 ] }
// Jede Kategorie verlinkt die IDs der Produkte
categories:
{ _id: 20, name: "adventure",
product_ids: [ 10, 11, 12 ] }
categories:
{ _id: 21, name: "movie",
product_ids: [ 10 ] }
// Alle Kategorien für ein Produkt
> db.categories.find( { product_ids: 10 } )

126. // Jedes Produkt verlinkt die IDs der Kategorien
products:
{ _id: 10, name: "Destination Moon",
category_ids: [ 20, 30 ] }
// Kategorien beinhalten keine Assoziationen
categories:
{ _id: 20,
name: "adventure"}

127. // Jedes Produkt verlinkt die IDs der Kategorien
products:
{ _id: 10, name: "Destination Moon",
category_ids: [ 20, 30 ] }
// Kategorien beinhalten keine Assoziationen
categories:
{ _id: 20,
name: "adventure"}
// Alle Produkte für eine Kategorie
> db.products.find( { category_ids: 20 } )

128. // Jedes Produkt verlinkt die IDs der Kategorien
products:
{ _id: 10, name: "Destination Moon",
category_ids: [ 20, 30 ] }
// Kategorien beinhalten keine Assoziationen
categories:
{ _id: 20,
name: "adventure"}
// Alle Produkte für eine Kategorie
> db.products.find( { category_ids: 20 } )
// Alle Kategorien für ein Produkt product
> product = db.products.find( { _id: some_id } )
> db.categories.find({_id: {$in : product.category_ids}})

136. Vielen
Dank!