文件名称：no sql survey
文件大小：258KB
文件格式：PDF
更新时间：2017-04-02 13:56:33
nosql big data
With the development of the Internet and cloud computing, there need databases to be able to store and process big data effectively, demand for highperformance when reading and writing, so the traditional relational database is facing many new challenges. Especially in large scale and highconcurrency applications, such as search engines and SNS, using the relational database to store and query dynamic user data has appeared to be inadequate. In this case, NoSQL database created This paper describes the background, basic characteristics, data model of NoSQL. In addition, this paper classifies NoSQL databases according to the CAP theorem. Finally, the mainstream NoSQL databases are separately described in detail, and extract some properties to help enterprises to choose NoSQL.