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“Drum prüfe,
wer sich ewig bindet.” Friedrich Schiller
› SET note1:title "Mittag"
› SET note1:message "nicht vergessen"
› KEYS note1:*
› GET note1:title
› DEL note1:title note1:message
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using (var documentStore = new EmbeddableDocumentStore{ RunInMemory = true}.Initialize()) { using (var session = documentStore.OpenSession()) { // Run complex test scenarious } }
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Ayende Rahien on the HTTP API - http://ravendb.net/documentation/docs-http-api-restful
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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" }
IBM’s IMS
Codd publishes relational model paper
in 1970
1966 1969 1970 1985 2000 2004 2007
Agile becoming more popular
1990’s 2009
CODASYL model published
Term “object-oriented database” appears
Brewer’s CAP born
Google BigTable
Amazon Dynamo
Apache Cassandra initial release
2008
MongoDB initial release
1973 1974
INGRES
SQL invented
1977
Oracle founded
10gen founded
NoSQL Movement
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–
› use WebNote
› db.Notes.save( { Title: 'Mittag', Message: 'nicht vergessen‘ } );
› db.Notes.save
–
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();
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› db.Notes.find();
› db.Notes.find({ Title: /Test/i });
› db.Notes.find( { "Categories.Color": "red"}).limit(1);
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› db.Notes.update({Title: 'Test'}, {'$set': {Categories: []}});
› db.Notes.update({Title: 'Test'}, {'$push': {
Categories: {Color: 'Red'} }
});
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› db.dropDatabase();
› db.Notes.drop();
› db.Notes.remove();
use digg
db.stories.findOne();
› use digg;
› db.people.update({name: 'Smith'},
{'$set': {interests: []}});
› db.people.update({name: 'Smith'}, {'$push': {interests: ['chess']}});
var map = function() {
emit(this.user.name, {diggs: this.diggs, posts: 0});
};
var reduce = function(key, values) {
var diggs = 0;
var posts = 0;
values.forEach(function(doc) {
diggs += doc.diggs;
posts += 1;
});
return {diggs: diggs, posts: posts};
};
db.stories.mapReduce(map, reduce, {out: 'digg_users'});
db.digg_users.find();
http://bsonspec.org
> 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 } } )
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" } ] }
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 } );
// Jedes Produkt verlinkt die IDs der Kategorien
products: { _id: 10, name: "Destination Moon", category_ids: [ 20, 30 ] }
// 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 ] }
// 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 } )
// 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"}
// 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 } )
// 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}})
“ ”J.B. Rainsberger
using (var documentStore = new EmbeddableDocumentStore{ RunInMemory = true}.Initialize()) { using (var session = documentStore.OpenSession()) { // Run complex test scenarious } }
