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.
Key Features of NoSQL Databases:
- 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.
NoSQL is suited for::
- ✔ Big Data & Real-Time Apps (e.g., social media, IoT)
- ✔ Flexible & Evolving Data Models
- ✔ High Scalability & Performance Needs
- ✔ Distributed Cloud-Based Systems