What is a relational database? What is the role of the relational database in an organization today? What are the main functions of the Relational Database Management System ? List at least five functions.

Relational Database

Topics discussed in the paper should address the following questions:

What is a relational database?
What is the role of the relational database in an organization today?
What are the main functions of the Relational Database Management System ? List at least five functions.
What other types of databases exist today on the market?
What is the fundamental difference between NoSQL and a relational database?
What is the role of a relational database in the Big Data ecosystem?
In your opinion, what is the future for relational databases? Explain your reasoning.