What is RAG & Vector Search?

Retrieval-augmented generation, vector databases, embeddings and semantic search

Where can I learn RAG & Vector Search for free?

DeepCamp offers 4,987 free curated RAG & Vector Search lessons — from beginner-friendly introductions to advanced tutorials — all in one place, no account required.

What are the best RAG & Vector Search tutorials?

DeepCamp curates the best RAG & Vector Search tutorials from top YouTube educators and industry practitioners. You can filter by level (beginner, intermediate, advanced) and duration to find the right fit.

How long does it take to learn RAG & Vector Search?

It depends on your starting point and goals. Beginners can grasp fundamentals in 2–4 weeks with consistent study. DeepCamp organises RAG & Vector Search lessons by level so you can build skills progressively.

Is RAG & Vector Search a good career skill?

Yes — RAG & Vector Search is highly valued across tech, finance, healthcare, education and professional services. DeepCamp helps you build job-ready RAG & Vector Search skills with practical, real-world lessons.

Can beginners learn RAG & Vector Search?

Absolutely. DeepCamp has beginner-friendly RAG & Vector Search lessons that start with core concepts and build up gradually. No prior experience or paid subscription is required.

RAG & Vector Search Lessons — Free Learning

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Your AI Didn’t Hallucinate. It Just Looked in the Wrong Place First.

The unglamorous machinery that decides whether your RAG app is brilliant or useless and why almost everyone blames the wrong component. Continue reading on Medi

Medium · JavaScript 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Don’t let a billion RAG docs drown your 25-result pipeline

Last time we showed how to terminate non-cooperative CPU work at the worker boundary. This article stays cooperative but adds the missing… Continue reading on M

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Retrieval Strategies in RAG: Beyond Basic Similarity Search

Your RAG system finds documents. But is it finding the RIGHT documents? Here’s how to make retrieval actually work. Continue reading on Medium »

Dev.to · AdmilsonCossa 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Don't let a billion RAG docs drown your 25-result pipeline

Backpressure For Streaming Pipelines Last time we showed how to terminate non-cooperative...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

RAPTOR: A Tree of Summaries So Queries Find Their Right Level

Two queries, two different needs Continue reading on Medium »

ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1mo ago

Through the Stealth Lens: Attention-Aware Defenses Against Poisoning in RAG

arXiv:2506.04390v2 Announce Type: replace-cross Abstract: Retrieval-augmented generation (RAG) systems are vulnerable to attacks that inject poisoned passages i

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Building a RAG Platform on AWS- Offline Ingestion + GenAI Deployment

In this article, I’ll walk through a production-oriented AWS architecture for building an end-to-end RAG ingestion and retrieval platform… Continue reading on M

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Document Parsing for Production RAG: Architecture, Tradeoffs, and When to Use What

Text extraction is a solved problem. But enterprise documents aren’t just text — they are visual hierarchies. They contain nested lists… Continue reading on Med

Medium · NLP 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Production RAG Is Not a Vector Search Problem

Why vector search alone quietly fails — and how hybrid retrieval, re-ranking, and real evaluation fixed it. Continue reading on Medium »

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

A Tiny RAG Security Test: What Happens When the Knowledge Base Is Poisoned

It was not just mine; everyone’s feed was filled with screenshots where people noticed something interesting in Google search- search for… Continue reading on M

Medium · Cybersecurity 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

A Tiny RAG Security Test: What Happens When the Knowledge Base Is Poisoned

It was not just mine; everyone’s feed was filled with screenshots where people noticed something interesting in Google search- search for… Continue reading on M

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

The Two Speeds of AI in ODC: Why RAG and Agent Development Are Not the Same Build

I have been building applications with the OutSystems platform for almost 10 years now. Continue reading on Medium »

Dev.to · foxck016077 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

SQLite FTS5 won't tokenize Chinese — here's the 7-line bigram fix that did

I shipped a personal RAG bot spike in 25 minutes. SQLite FTS5 with unicode61 returned 0 hits for every Chinese query. Bigram preprocessing made it work without

Dev.to · Dave Graham 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

How to Evaluate Your RAG Pipeline

RAG has two places to fail: retrieval and generation. Most teams only catch one. Here's the complete...

Dev.to · Haji Rufai 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Building a RAG Document Q&A System with Hybrid Retrieval (No Embeddings API Needed)

Building a production-quality RAG (Retrieval-Augmented Generation) system taught me one thing: the...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

From Zero to RAG: How I Built My First AI Pipeline with FAISS, Groq & FastAPI

A hands-on builder’s account of designing a Retrieval-Augmented Generation system from scratch — the architecture, the decisions, and the… Continue reading on M

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Designing RAG for Financial Documents: When a Single Wrong Number Can Cost Millions

In most AI demos, hallucinations are amusing. Continue reading on Medium »

Dev.to · VLSiddarth 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Why RAG Pipelines Silently Hallucinate — And The Decay Score That Catches It Before The LLM Does

Your RAG pipeline has a blind spot. It is not your embeddings. It is not your retrieval algorithm. It...

Dev.to · SapotaCorp 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Why hybrid search is the boring default we keep recommending

A team came to us frustrated that their semantic search was missing exact product codes like 'GPT-4o' even though those tokens appeared in the indexed content.

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

What Is Reciprocal Rank Fusion and Why I Used It in My RAG System

When you build a system that retrieves information before generating an answer, your first real problem is not the generation — it is the… Continue reading on M

Dev.to · SapotaCorp 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Four production pitfalls that turn RAG demos into broken chatbots

A perfect 50-question demo on Tuesday. By the second week of production, users were filing tickets faster than the team could close them. The model had not chan

Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

I tried hybrid retrieval on my RAG. It made things worse.

I built a semantic retrieval system over Australian federal tax law. ~1,400 legal documents, 38,000 chunks, embedded with… Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Building a Production RAG Ingestion Pipeline on AWS: Unstructured.io, S3 Vectors, and a Private VPC

When Bedrock Knowledge Bases hit its production limits, I built a private, self-hosted alternative that actually scales. Continue reading on Towards AWS »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Building a Production Hybrid RAG: Why I Threw Out the LangChain Recipe

19 components, 274 tests, an evaluation framework with actual math, and a hallucination rate that dropped from 12% to 3%. Here’s the… Continue reading on Medium

Dev.to · pinkie zwane 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

The Unforgiving Complexity of Real-Time Search

The Problem We Were Actually Solving At first glance, it seemed like a typical search...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

The shared recipe behind search: Images, Shazam and RAG

Or: why every modern “find me something similar” feature is the same problem in disguise — and what makes it hard at scale. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Why RAG Projects Fail Before The Model Ever Gets Involved

The hidden data-layer problem behind unreliable enterprise AI systems Continue reading on Medium »

Medium · NLP 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

RAG Explained Simply: The Brain Behind Modern AI Chatbots

Have you ever wondered how AI chatbots like ChatGPT can answer questions based on company documents, PDFs, or up-to-date information that… Continue reading on M

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

RAG Explained Simply: The Brain Behind Modern AI Chatbots

Have you ever wondered how AI chatbots like ChatGPT can answer questions based on company documents, PDFs, or up-to-date information that… Continue reading on M

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

RAG: The Technology Making AI Actually Useful

What Is Retrieval-Augmented Generation? Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

How can it be hard to build your own chat assistant

Construire un système RAG dés le début Continue reading on Medium »

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

RAG: 9 Important Real-Time Interview Questions and Answers

Prepare below 3 beginner level, 3 intermediate level and 3 advance level RAG interview questions for your next Generative AI Engineer… Continue reading on Mediu

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

RAG: 9 Important Real-Time Interview Questions and Answers

Prepare below 3 beginner level, 3 intermediate level and 3 advance level RAG interview questions for your next Generative AI Engineer… Continue reading on Mediu

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Why Most RAG Systems Fail in Production (And How I’d Design One Differently)

Most RAG tutorials work perfectly. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Vectorless Database Page Index: How Databases Find Your Data in Milliseconds

Every time you run a query, something invisible saves you from waiting seconds. It’s called a page index — and it’s the backbone of almost… Continue reading on

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

This Is What a Production RAG Stack Actually Looks Like

The failures usually start earlier and later: bad parsing, sloppy chunks, stale metadata, duplicate context, missing evals, and no… Continue reading on Towards

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

This Is What a Production RAG Stack Actually Looks Like

The failures usually start earlier and later: bad parsing, sloppy chunks, stale metadata, duplicate context, missing evals, and no… Continue reading on Towards

Medium · Deep Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

This Is What a Production RAG Stack Actually Looks Like

The failures usually start earlier and later: bad parsing, sloppy chunks, stale metadata, duplicate context, missing evals, and no… Continue reading on Towards

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

My Chatbot Was Confidently Wrong About Everything. RAG Fixed That.

Muhammad Ishfaq — AI Student, Peshawar Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Design a RAG Pipeline for 10 Million Documents with Minimal Hallucination

Retrieval-Augmented Generation (RAG) has become the standard architecture for enterprise AI systems. But building a RAG pipeline for a few… Continue reading on

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Your RAG System Is Lying to Your Users — Here’s the Architecture That Fixes It

The production failure nobody talks about, and the dual-path engine that eliminates it permanently. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Your RAG System Is Lying to Your Users — Here’s the Architecture That Fixes It

The production failure nobody talks about, and the dual-path engine that eliminates it permanently. Continue reading on Medium »

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Secure Manufacturing RAG — From Architecture to Business Value

This article stands alone — no prior reading required. It translates a secure RAG implementation for manufacturing environments into… Continue reading on Medium

Medium · Cybersecurity 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Secure Manufacturing RAG — From Architecture to Business Value

This article stands alone — no prior reading required. It translates a secure RAG implementation for manufacturing environments into… Continue reading on Medium

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Beyond Semantic Search: The Complete Guide to Advanced RAG with Milvus | Sagar Patil

Building a proof-of-concept Retrieval-Augmented Generation (RAG) system has never been easier. With a few lines of code, you can chunk a… Continue reading on Me

Medium · NLP 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Beyond Semantic Search: The Complete Guide to Advanced RAG with Milvus | Sagar Patil

Building a proof-of-concept Retrieval-Augmented Generation (RAG) system has never been easier. With a few lines of code, you can chunk a… Continue reading on Me

Dev.to · Manjunath 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

What Enterprise RAG Is Ready For Today and What Production Deployment Actually Requires

Enterprise RAG — A practitioner's build log | Post 6 of 6 This series has documented a system built...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

I Built GraphRAG From Scratch — Then a December 2025 Paper Made It Look Basic

Meet HGMem: the RAG architecture that solves the problem binary graphs can’t Continue reading on Medium »