---
author: "Umesh Malik"
canonical: "https://umesh-malik.com/blog/tag/vector-databases"
description: "Explore articles tagged with Vector Databases by Umesh Malik — AI Engineer, LLM & GenAI Developer. Learn Vector Databases best practices, practical tips, and in-depth guides."
title: "Umesh Malik's Blog - Vector Databases Articles | Vector Databases Tutorials"
tokens: 271
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---

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# Vector Databases

2 articles

 [![A RAG chatbot in Next.js: embed the query, search pgvector, augment the prompt, stream a cited answer](https://umesh-malik.com/blog/rag-chatbot-nextjs-guide-cover.png)

AI Engineering • Jul 21, 2026

### Build a RAG Chatbot in Next.js: Retrieval, Streaming & Citations (2026)

Build a RAG chatbot in Next.js with the AI SDK: embed the query, search pgvector, stream a grounded answer with citations, and stop hallucinations.

8 min read

Read more →](https://umesh-malik.com/blog/rag-chatbot-nextjs-guide)

 [![The stages of a production retrieval-augmented generation pipeline](https://umesh-malik.com/blog/build-rag-pipeline-from-scratch-cover.png)

AI Engineering • Jun 8, 2026

### Build a RAG Pipeline From Scratch: Production Patterns That Matter

Build a RAG pipeline from scratch: chunking, embeddings, retrieval, reranking, grounded generation, and the production patterns that decide whether it works.

7 min read

Read more →](https://umesh-malik.com/blog/build-rag-pipeline-from-scratch)