15 Best Vector Databases Courses on Udemy
We compared 15 Vector Databases courses currently listed on Udemy, priced from $19.99 to $199.99. 13 of them teach the subject directly and 2 are built around a certification exam. They are ordered by our CourseAsk score, which is built from how thoroughly each course describes what it teaches, whether it comes from a named institution, and how it compares on price — not from star ratings, which our course data does not include.
- Courses compared
- 15
- Price range
- $19.99 – $199.99
- Providers
- Udemy
- Last updated
- 18 Sep 2026
How these 15 courses were chosen
Every course below is a real, currently listed course from Udemy, matched to "vector databases" by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.
The grade on each entry scores how much the provider publishes about the course before you pay — the length and detail of the description, whether it lists learning outcomes and objectives — and whether a named university or institution stands behind it. A is fully documented and institution-backed; E is little more than a title and a price. Courses with almost nothing published are left ungraded rather than marked down, because an unknown course and a poor one are not the same thing.
There are no star ratings on this page — the course feeds we license do not include them, and we would rather leave a column out than fill it with a number we cannot stand behind. What we do have is price: these range from $19.99 to $199.99, as listed by the provider when we last updated the page.
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1
1Z0-1127-24: Become an OCI Generative AI Professional 2024
The Oracle Cloud Infrastructure 2024 Generative AI Professional (1Z0-1127-24) certification is designed for Software Developers, Machine Learning/AI Engineers, Gen AI Professionals who have a basic understanding of Machi...
$19.99listed price -
2
Generative AI, LLMs & Prompt Engineering Mastery Tests
Generative AI has fundamentally reshaped the tech landscape, moving from a niche research field to the core of modern software engineering. It is no longer enough to just know how to write a basic prompt into a web inter...
$24.99listed price -
3
AI System Design for Engineers and Interviews
Most engineers can build AI applications.Very few engineers can design AI systems that scale.As AI adoption grows, companies need engineers who understand not just models and APIs, but also the architecture, scalability,...
$59.99listed price -
4
RAG for Professionals with LangGraph, Python and OpenAI
Build Real-World, Enterprise-grade RAG systems – not just toy demos.Large Language Models (LLMs) like ChatGPT are powerful – but on their own they don’t know your company’s documents, policies or reports. That’s where Re...
$199.99listed price -
5
Enterprise RAG (Retrieval-Augmented Generation) Frameworks
“This course contains the use of artificial intelligence.”Large language models inherently struggle with frozen parametric knowledge, causing enterprise-critical data staleness and hallucination. Scaling generative AI sa...
$19.99listed price -
6
Gen AI - LLM RAG Two in One - LangChain + LlamaIndex
This course leverages the power of both LangChain and LlamaIndex frameworks, along with OpenAI GPT and Google Gemini APIs, and Vector Databases like ChromaDB and Pinecone. It is designed to provide you with a comprehensi...
$19.99listed price -
7
AWS Certified Generative AI Developer Professional Practice
Course Update LogsJune 2026Practice Test 2: 12 Brand New Questions AddedMarch 2026Course LaunchedAdded two new practice exam with advanced scenario-based questions on RAG, vector databases, and agentic AI systemsUpdated...
$19.99listed price -
8
1Z0-1127-24 Oracle Cloud Infrastructure 2024 Generative AI
The Oracle Cloud Infrastructure 2024 Generative AI Professional certification is designed for Software Developers, Machine Learning/AI Engineers, Gen AI Professionals who have a basic understanding of Machine Learning an...
$24.99listed price -
9
Oracle Cloud Infrastructure 2024 Generative AI Professional
Oracle Cloud Infrastructure 2024 Generative AI Professional: 1z0-1127-24 Practice Test is a comprehensive mock exam with emphasis on using the Oracle Cloud Infrastructure 2024 Generative AI Professional exam syllabus as...
$19.99listed price -
10
Generative AI Architectures with LLM, Prompt, RAG, Vector DB
In this course, you'll learn how to Design Generative AI Architectures with integrating AI-Powered S/LLMs into EShop Support Enterprise Applications using Prompt Engineering, RAG, Fine-tuning and Vector DBs.We will...
$49.99listed price -
11
Advanced RAG Security and LLM Security 2026
Welcome to the frontline of Artificial Intelligence Security.The era of simply "slapping an LLM on a database" is over. Retrieval-Augmented Generation (RAG) solved AI hallucinations, but it introduced a massive, highly c...
$19.99listed price -
12
Modern Agentic AI: MCP, RAG, AI Agents, LangGraph & Workflow
This course contains the use of artificial intelligence.I only charge a fee solely for the time invested in building this comprehensive curriculum.Stop Vibe Coding. Start Engineering.The AI industry is entering a new era...
$99.99listed price -
13
The Complete LangChain & RAG Developer Course 2026
Build Production-Ready AI Applications with LangChain, OpenAI, FAISS & ChromaDBMaster Retrieval-Augmented Generation (RAG) and Build Real AI Systems from ScratchAre you ready to master one of the most in-demand skill...
$199.99listed price -
14
AWS Generative AI Developer Professional (AIP-C01) EXAM 2026
Prepare with confidence for the AWS Certified Generative AI Developer – Professional (AIP-C01) certification exam through this comprehensive practice test designed to mirror the real exam experience. This practice assess...
$19.99listed price -
15
AWS Certified Generative AI Developer (AIP-C01) Exams / Test
The rapid advancement of Generative Artificial Intelligence (Generative AI) is transforming the way organizations build intelligent applications, automate workflows, enhance customer experiences, and accelerate innovatio...
$19.99listed price
Best Vector Databases Courses on Udemy compared
Prices shown are the provider's listed price when we last updated this page. Confirm on their site before enrolling.
What the prices here tell you
The 15 priced courses on this page run from $19.99 to $199.99, with the middle of the range around $19.99 — a spread of $180.00. That is a wide gap for one subject. A higher price on this page usually reflects who is behind the course rather than how much material it contains, so it is worth opening two or three at different price points and comparing their syllabus before deciding.
Who is behind these courses
These courses come from Udemy. Everything on this page is sold on the one platform, so the buying experience is the same whichever you pick.
Courses versus exam preparation
2 of the entries here are built around a certification exam rather than teaching Vector Databases from scratch. They are the right choice only if you already know the material and want to pass a specific exam; if you are starting out, pick one of the taught courses first and come back to exam preparation afterwards.
Before you enrol
Open the provider’s own page and check three things this comparison cannot tell you: when the course was last updated, what the syllabus actually covers in its later sections, and what recent learners say. Prices shown here are the provider’s listed price when we last rebuilt this page on 18 September 2026 — they change often, and a promotion can move them substantially. We earn a commission if you enrol through our links, which costs you nothing and never affects the order courses appear in.