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Vector database

A vector database stores embeddings and quickly finds the ones most similar to a query.

Written by Reflective Data experts · updated Oct 5, 2026

It powers semantic search and retrieval for AI systems. Several databases and warehouses now offer vector search as a feature, so a separate system is not always needed.

Choose based on scale, filtering needs and the stack you already run.

related

Data warehouseEmbeddingsRetrieval-augmented generation (RAG)

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