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 4,934 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

Reddit r/deeplearning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Standard RAG has no concept of document versions: cost me a while to figure out why answers kept blending superseded policies

Took me longer than I'd like to admit to diagnose this one. Had a LangChain RAG pipeline over an internal knowledge base. Retrieval metrics looked fine. Chunk s

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

DiagramRAG: A Lightweight Framework to Retrieve Scientific Diagram for Figure Generation

arXiv:2605.27931v1 Announce Type: new Abstract: Scientific diagrams are essential for communicating complex methodologies in academic papers. A natural way for

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

Relevant Is Not Warranted: Evidence-Force Calibration for Cited RAG

arXiv:2605.28044v1 Announce Type: new Abstract: Cited RAG evaluation often treats visible sources as a grounding signal, but a real, topically relevant citation

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

RAGe: A Retrieval-Augmented Generation Evaluation Framework

arXiv:2605.27445v1 Announce Type: cross Abstract: Deploying Large Language Model (LLM) applications, particularly those relying on Retrieval-Augmented Generatio

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

Securing Retrieval-Augmented Generation: A Taxonomy of Attacks, Defenses, and Future Directions

arXiv:2604.08304v2 Announce Type: replace-cross Abstract: Retrieval-augmented generation (RAG) extends large language models (LLMs) with external knowledge, but

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

How I Built My First RAG App from Scratch with Python

A beginner-friendly tutorial using ChromaDB, Qwen, and OpenRouter to build a simple Retrieval-Augmented Generation app. Continue reading on Medium »

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

Your AI Is Already Outdated. Here’s Why Enterprise Leaders Are Choosing RAG Over Fine-Tuning.

For enterprise knowledge problems — support, compliance, internal search — retrieval-augmented generation (RAG) usually beats fine-tuning… Continue reading on M

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

Building Every RAG Architecture on Snowflake: A Complete Guide with Benchmarks

A hands-on comparison of 6 Retrieval-Augmented Generation patterns — from Naive to Multi-Vector — all running natively on Snowflake Cortex. Continue reading on

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

Stop Trusting the Embedding: How Real RAG Pipelines Actually Work

A few years ago, getting a model to answer questions about your own data was simple. You wrote the FAQs into the system prompt, you wrote… Continue reading on M

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

Your Node.js RAG is grabbing the wrong sources. Here's a 4MB cross-encoder fix.

The bug nobody talks about in JS RAG tutorials You wire up a Node.js retrieval pipeline....

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

Your AI Found a Relevant Chunk. But Is It Answering the Right Question? Lessons from RAG Retrieval

A practical lesson from building an insurance-policy AI: finding text related to a question is not the same as finding enough evidence to… Continue reading on M

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

What Actually Goes Into a Production RAG System

The things tutorials skip and real users expose. Continue reading on Medium »

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

Vector‑native RAG on Oracle: embeddings, HNSW/IVF, and hybrid search under database governance

This is article 6 of 8 in my Oracle AI Database Skills series. Continue reading on Oracle Developers »

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

Ditch the Bloated Agentic RAG: Why Standardized MCPOrbs Are the Enterprise AI Antidote

Compared to high-cost customized Agent pipelines, enterprises need pluggable, standardized components to survive the AI integration race. Continue reading on MC

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

Most RAG Problems Are R(etrieval) Problems

Most RAG blog posts read like product brochures. After building a few systems over the last months...

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

RAG in the Enterprise: Why the Demo Works and Production Doesn’t

Imagine a very familiar meeting. Continue reading on Medium »

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

Three RAG Retrieval Strategies Tied on My Medical Evaluation.

The point of an evaluation harness is not to crown a winner. It is to tell you which decisions are worth your attention. Continue reading on Medium »

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

Vector‑native RAG on Oracle: embeddings, HNSW/IVF, and hybrid search under database governance

Key Takeaways Storing vectors in an Oracle VECTOR column alongside content, metadata, and...

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

AWS Bedrock RAG: The Augmentation Layer You’re Ignoring

I compared every stage of the AWS Bedrock RAG pipeline to find out where answers actually break — and it’s not where most teams look. Continue reading on CodeX

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

The DevTools AI Deserves: Debugging RAG & Memory Systems at Scale

Chrome DevTools for AI Memory. See what your RAG pipeline remembered, what it forgot, and exactly why it hallucinated. Continue reading on Medium »

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

Cordon-MAS: Defending RAG against Knowledge Poisoning via Information-Flow Control

arXiv:2605.26754v1 Announce Type: cross Abstract: Retrieval-augmented generation (RAG) increasingly underpins high-stakes applications, yet remains vulnerable t

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

RAG - Sparse Embedding

Sparse means thinly spread, scattered, or not dense. In sparse embeddings, chunks are converted into...

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

Why Your RAG Demo Doesn’t Survive Production

The data-readiness gap that nobody talks about — and the methodology that fixed our 40% accuracy drop Continue reading on Medium »

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

Why Your RAG Demo Doesn’t Survive Production

The data-readiness gap that nobody talks about — and the methodology that fixed our 40% accuracy drop Continue reading on Medium »

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

Stop Using a Single Retrieval Method: Build a Smarter RAG Pipeline

A deep dive into seven retrieval strategies: dense, BM25, hybrid, HyDE, RRF, MMR and re-ranking. Continue reading on Medium »

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

98. RAG: Give Your AI Access to Your Documents

You ask ChatGPT about your company's internal policies. It makes something up. It sounds confident....

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

Production RAG with Gemini: Five Things the Tutorials Skip

Chunking, reranking, cost control, hallucination defenses, and the evaluation loop — five lessons from running a customer-facing RAG… Continue reading on Medium

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

Why Naive RAG Fails in Production — Building an Agentic LangGraph Assistant for SAP

A deep-dive into building a 7-node agentic RAG assistant for SAP S/4HANA procurement, with every design decision explained. Continue reading on Medium »

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

Building RAG Systems That Don’t Lie: What I Learned the Hard Way at Work

My data engineering background made me confident going into RAG. That confidence lasted about two weeks. Continue reading on Medium »

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

Building RAG Systems That Don’t Lie: What I Learned the Hard Way at Work

My data engineering background made me confident going into RAG. That confidence lasted about two weeks. Continue reading on Medium »

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

DocuMind: Building a Production-Grade RAG System That Actually Works

Most RAG systems work perfectly in tutorials. Very few survive first contact with production. Continue reading on Medium »

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

Top 5 Mistakes Developers Make While Building RAG Apps

The rise of Retrieval-Augmented Generation has completely changed how modern AI applications are built. Continue reading on Medium »

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

From PDFs to AI‑Ready Data: Docling vs OpenDataLoader Explained

Estimated Reading Time: 25 minutes Continue reading on Medium »

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

Building a Production-Grade Multi-Agent RAG Architecture: A Complete Blueprint

8 Axes, 7 Layers, 33 Components: A Production-Grade Multi-Agent RAG Architecture Continue reading on Medium »

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

Stop Settling for AI “hallucinations”

If your firm is exploring GenAI, the term you need to know is RAG (Retrieval-Augmented Generation). I’ve been testing various systems for… Continue reading on A

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

Leveraging Spreading Activation for Improved Document Retrieval in Knowledge-Graph-Based RAG Systems

arXiv:2512.15922v3 Announce Type: replace Abstract: Despite initial successes and a variety of architectures, retrieval-augmented generation systems still strug

Hackernoon 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Backpressure, Cancellation, and Channels in WorkIt

A naive RAG pipeline pulls 281 docs to deliver 25. Real backpressure pulls 40. How WorkIt paces the producer to consumer demand in Node.js & TypeScript.

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

One Article, One Maggi, The Entire RAG Pipeline — Everything In One Go

Maggi takes 2 minutes, RAG takes one article. Water boiled — hallucination understood. Masala dropped — documents loaded. Noodles in —… Continue reading on Medi

Dev.to · Mukunda Rao Katta 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

My RAG system slowly got worse for three months and nobody noticed.

A composable drift detector for RAG and agent systems. Five orthogonal dimensions, one DriftReport, bring your own embedder and time-series store.

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

Weaviate is a powerful open-source vector database with a rich feature set that goes well beyond…

ChromaDB: The Developer’s Local-First ChoiceVector Databases Compared: Pinecone vs. Weaviate vs. ChromaDB for RAG Continue reading on Medium »

Hackernoon 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Meet the Writer: Hacker Noon's Contributor Vineet Vijay, Lead AI Engineer

Vineet Vijay found 40 K-mismatched vectors silently breaking his RAG system. Here's what he learned, and what he's writing about next.

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

turbovec: Local RAG Without the 60 GB Tax

A 1536-dimensional float32 embedding is 6 KB. A corpus of 10 million documents is roughly 60 GB of...

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

I Built RAG Systems for Enterprises — Here’s the Learning Path I Wish I Had

A complete guide to moving from toy demos to production-ready RAG systems Continue reading on CodeX »

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 »