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This article mainly introduces the redis learning NoSQL data four categories of comparative examples, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor with you to understand.

KV key-value pair

Sina: BerkeleyDB + Redis

Meituan: Redis + tair

Ali, Baidu: memcache + Redis

Document database (there are many bson formats)

CouchDB

MongoDB is equivalent to Mysql++.

MongoDB is a database based on distributed file storage. Written in C++ language. Designed to provide scalable high-performance data storage solutions for WEB applications.

MongoDB is a product between relational database and non-relational database, which is the most functional and most like relational database in non-relational database.

Column storage database

Cassandra 、 HBase

Distributed file system

Graph relational database

It is not for graphics, but for relationships, such as social networks and advertising recommendation systems in moments.

Social networks, recommendation systems. Focus on building a relationship map

Neo4j 、 InfoGrid

Four kinds of comparison

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