# AI Large Models and Vector Database PGVector

> This article focuses on vector databases hyped by AI, introduces the basic principles of AI embeddings and vector storage/retrieval, and demonstrates the functionality, performance, acquisition, and application of the vector database extension PGVECTOR through a concrete knowledge base retrieval case study.

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LLMS index: [llms.txt](/llms.txt)

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[![featured](/img/hero/pg/llm-and-pgvector.jpg)](https://vonng.com/en/pg/llm-and-pgvector/)

This article focuses on vector databases hyped by AI, introduces the basic principles of AI embeddings and vector storage/retrieval, and demonstrates the functionality, performance, acquisition, and application of the vector database extension PGVECTOR through a concrete knowledge base retrieval case study. [**Read more**](https://vonng.com/en/pg/llm-and-pgvector/)