NoSQL stands for 'Not Only SQL.' It is a category of database management systems designed to handle unstructured data, massive scales, and rapid changes in data models that traditional relational databases (like MySQL or PostgreSQL) struggle with. A NoSQL database is a type of database designed to store, retrieve, and manage unstructured, semi-structured, or structured data in a non-tabular format, unlike traditional relational databases (SQL databases) that use tables with rows and columns.
Schema-less: No fixed schema, allowing flexible data models.
Scalability: Horizontally scalable (distributed across servers).
High Performance: Optimized for fast read/write operations.
Distributed Architecture: Supports large-scale distributed data.
Variety of Data Models: Supports documents, key-value pairs, graphs, and columnar storage.
Big Data & Real-Time Apps (e.g., social media, IoT)
Flexible & Evolving Data Models
High Scalability & Performance Needs
Distributed Cloud-Based Systems