What is Vector Database
A database designed to store and search embeddings by similarity.
Definition
Vector Database is a database designed to store and search embeddings by similarity. In practical AI work, it helps teams connect a concept to data, model behavior, product choices, evaluation, and risk. The useful question is not only what the term means, but how it affects quality, cost, reliability, safety, and decisions in a real workflow.
Example
A knowledge base stores document embeddings so a chatbot can retrieve similar passages for an answer.
Why it matters
Vector Database matters because a database designed to store and search embeddings by similarity can change how teams build, evaluate, choose, or govern AI systems. It affects cost, reliability, latency, security, and how easily an AI feature can move from a demo to production.
How it works
Teams connect data, compute, model artifacts, libraries, monitoring, access control, and deployment tools into a repeatable workflow. For Vector Database, the key is to connect the definition with inputs, assumptions, measurable outcomes, and deployment limits.
Where it is used
- Used in model training, inference, data processing, deployment, evaluation, monitoring, and developer tooling.
Limitations
Infrastructure choices can lock teams into particular costs, vendors, latency profiles, security constraints, or operational complexity.