Current developments in cloud computing and also distributed internet applications have produced the demand to store huge quantities of data in dispersed databases that offer high availability and scalability. Over the last few years, increasingly more firms are adopting various sorts of non-relational data sources, frequently described as NoSQL data sources. By definition, NoSQL systems are not relational and also do not provide full SQL capabilities. Moreover, unlike relational databases, it uses consistency and security in exchange for performance and scalability. Security issues end up bei...