Neptune

Lesson in the Data Engineer Roadmap · Stage 18: What is Data Warehouse?

Last updated 14 September 2026

What is Neptune?

Amazon Neptune is a managed graph database service on AWS that supports both the Property Graph model (with Gremlin) and RDF (with SPARQL). It is designed for highly connected datasets and scales to billions of relationships. Neptune is used for knowledge graphs, fraud detection, and identity resolution.

Study this in the interactive course See the whole Data Engineer roadmap

Free resources to learn Neptune

Official docsAWS Neptune
ArticleSetting Up Amazon Neptune Graph Database
VideoGetting Started with Neptune Serverless

Neptune: common questions

Can I learn Neptune in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Neptune in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Neptune tutorial for beginners?

It is lesson 55 of 186 in the free Data Engineer roadmap, in stage 18, What is Data Warehouse?. If you are new to Data Engineer, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.