A key ingredient in the world of cloud computing is a database that can be used by a great number of users. Distributed storage mechanisms become the de-facto method for data storage used by companies for the new generation of web applications. In the world of data storage, NoSQL (usually interpreted as “not only SQL” by developers) database is a growing trend. It is said that NoSQL alternates with the most widely used relational databases for the data storage, but, as the name implies, it does not fully replace the SQL. In this paper we will discuss about SQL and NoSQL databases, comparison of traditional SQL with NoSQL databases for Big Data analytics, NoSQL data models, types of NoSQL data stores, characteristics and features of each data store, advantages and disadvantages of NoSQL and RDBMS.
This work was carried out in collaboration among all authors. Author WA designed the study, performed the statistical analysis, wrote the protocol and wrote the first draft of the manuscript.
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Authors MUS, MAM and AR managed the analyses of the study. Author WA managed the literature searches. All authors read and approved the final manuscript.