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What is pgvector?
pgvector is an open-source PostgreSQL extension that enables efficient storage and similarity search of vector embeddings within a relational database. It allows developers to build vector search capa
pgvector is an open-source PostgreSQL extension that enables efficient storage and similarity search of vector embeddings within a relational database. It allows developers to build vector search capabilities directly in PostgreSQL without requiring a separate vector database, supporting operations like nearest neighbor searches for machine learning and AI applications. The extension is particularly useful for implementing retrieval-augmented generation (RAG) systems and semantic search features at scale.
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Source: Databricks | 2026-04-17