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Search, Vectors & AI

PostgreSQL does search, vector similarity, and geospatial queries — often well enough to retire the external service you are paying for. tsvector, pgvector, PostGIS, and an honest assessment of when you do need something else.

1 Do You Need a Vector Database? A Decision Framework2 pgvector vs Pinecone vs Chroma: Which Vector Store for Your LLM App?3 pgvector Performance Tuning: From Default to Optimized4 How to Optimize pgvector Queries at Scale5 Building a RAG Pipeline with pgvector and Python6 PostGIS for Application Developers: A Practical Performance Guide7 PostGIS Query Optimization for Web Developers8 Best PostgreSQL Extensions for Performance in 2026
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