NoSQL 1

There are 4 types of NoSQL as below:
Key-Value Database
Document Database
Column-Family Database
Graph Database

NoSQL có gì hay ho – Tổng quan về NoSQL – Phần 2

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Elasticsearch in 5 minutes

http://www.elasticsearchtutorial.com/elasticsearch-in-5-minutes.html

http://joelabrahamsson.com/elasticsearch-101/

Query DSL: syntax like json, has 2 parts: query and filter

 

Architecture: Core is Lucene. It has HTTP build on top

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Useful in: Blog, Analics (by find trend), Documents

Why use it: Speed, Relevancy, Statistics

Concept: save data in NoSQL Document (JSON)

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Shard??

Indexes alias??

Query DSL format: json