Data & retrieval
Vector database
A store designed to retrieve items using similarity between embeddings.
Definition
A vector database indexes embeddings and returns nearby records, often alongside metadata filters and conventional search.
Why it matters
Permissions, freshness, tenancy and metadata filtering determine whether retrieval remains safe and useful in a bank.
Related concepts
- Embedding
A numerical vector representing the meaning or features of an item.
- Semantic search
Search based on meaning rather than only matching exact words.
- Entitlements
Rules defining which data and actions a user or system may access.