A Comparative Study Of Different Types Of Nosql Datamodels And Databases

Abstract

In this paper, a comparative study of data models to different types of NOSQL databases is discussed. NOSQL is the “not only SQLDB” and it is the open source database provides a mechanism for the storage and retrieval of data. It is useful for working with real time web applications and distributed database. For example, companies like facebook, twitter, google collects terabytes from user on every single day. So, it is flexible to collect and store any kind of data from the database and it is different when compares to traditional relational database. The relational database have fixed or predefined schema, is not suitable for hierarchical data storage and it is useful for working with complex queries and the NOSQL database is a distributed management system have dynamic schema, is suitable for hierarchical data storage and not useful for working with complex queries. The NOSQL data models used are Document databases, Graph stores, Key value stored data and wide- column stores for storing and retrieving the data.