Definition
Vector database
A data system optimized to store and search high-dimensional numeric representations such as embeddings.
Why it matters
The practical consequence.
Vector search is useful for semantic retrieval, but permissions, filtering, freshness, and source traceability still belong in the application architecture.
Example
How it appears in a system.
A support assistant can retrieve conceptually related product documentation while filtering results to the user's account and product version.
Continue learning
Browse engineering insights →