# Why pgvector?
Second-Memory stores things a user writes over time. If a user later asks: “What did I write about performance problems?” A normal keyword search isn't always enough.
Dev.to AI3 min read
pgvector
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Vector Databases Explained Visually: Which One Should You Use?
#RAG #VectorDatabase #AIEngineer Curated Structured Learning program : https://balajichippada.com/ 🌐 Free AI Engineer Roadmap 2026 https://balajichippada.com/roadmap 🔗 Join the WhatsApp Community https://chat.whatsapp.com/EoQWZa870wG3TzUeOpH54c This is to bring together serious and like-minded…
Balaji ChippadaHow to build a RAG API in Node.js 2026: pgvector and cited answers
Build a production RAG API in Node.js using pgvector: text ingestion, chunked embeddings, vector search, and source-cited answers in under 80 lines.
LLMTest Blog5 min read
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