The huge growth in the data storing and the wide use of social networks and applications that depend mainly on complicated and interrelated relations between entities which need specific models of databases to store and retriev quickly and effectivel
y, the relational databases are no longer adequate in distributed systems and websites that deal with big data which have to be accessible and operable.
This paper explains briefly the challenges of relational databases and the reasons that led to emergence the non-relational databases (NoSQL), in addition to CAP theorem and some of NoSQL types, specially GraphQL
In this thesis, we review the problems of instructors’ assessment and propose some solutions in the context of an assistant system for the evaluation of instructors in higher education institutions, and implement this system at the University of kala
moon as a practical case with real data to verify results.
This research aims to prove the possibility of a flexible system in selecting instructors’ evaluation criterias in accordance with the chosen institution, and in the objectivity and impartiality of the assessment of instructors and the accuracy and the consistency of decision makers' opinions.
