DatabaseRedisIntroduction to redis learning and the four major classifications of NoSQL databasesIntroduction to redis learning and the four major classifications of NoSQL databases
Recommended (free): redis
KV key-value pair
Sina: BerkeleyDB Redis
Meituan: Redis tair
Alibaba, Baidu: memcache Redis
Document database (more bson format)
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 a relational database and a non-relational database. It is the most feature-rich among non-relational databases and is most like a relational database.
Column storage database
Cassandra, HBase
Distributed file system
Graph relational database
It is not for graphics, but for relationships, such as: friend circle social network, advertising recommendation system
Social network, recommendation system. Focus on building relationship graphs
Neo4j, InfoGrid
Four comparisons
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