6 terms
A document database is a NoSQL database model that stores each record as a self-describing document, usually JSON or BSON, with a flexible schema.
A graph database stores data as nodes and relationships, letting queries follow connections directly, which suits networks, fraud and recommendations.
A key-value store is a database model that saves each value under a unique key and retrieves it by that key, offering very fast and easily…
NoSQL is the family of non-relational database models, such as document, key-value, wide-column and graph stores, built for flexible schemas and scale-out.
A time-series database is a database model optimized to store and query timestamped measurements, with fast ingestion, compression and time-window aggregation.
A vector database stores high-dimensional embedding vectors and finds the most similar ones quickly using approximate nearest neighbor indexes.