NoSQL databases have established themselves as indispensable tools for handling voluminous datasets and real-time web applications. Their allure lies in their adaptability, accommodating flexible schemas and effortlessly scaling to meet the demands of extensive data volumes and high user traffic. Consequently, NoSQL databases have woven themselves into the fabric of big data and real-time web applications.

What sets NoSQL databases apart from their relational counterparts is their prowess in housing and managing an extensive array of unstructured data. They employ an assortment of data models, encompassing documents, graphs, key-value pairs, and wide-column stores, proffering versatile and scalable solutions that stand as formidable alternatives to conventional Relational Database Management Systems (RDBMS).