PostgreSQL

Lesson in the Data Engineer Roadmap · Stage 13: Document

Last updated 14 September 2026

What is PostgreSQL?

PostgreSQL is an open-source relational database known for its standards compliance, extensibility, and advanced feature set. It supports complex queries, JSON storage, full-text search, and custom data types. PostgreSQL is widely used in both transactional and analytical workloads.

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

Free resources to learn PostgreSQL

RoadmapVisit Dedicated PostgreSQL DBA Roadmap
Official docsPostgreSQL Website
ArticleLearn PostgreSQL - Full Tutorial for Beginners
VideoPostgres tutorial for Beginners

PostgreSQL: common questions

Can I learn PostgreSQL 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 PostgreSQL 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 PostgreSQL tutorial for beginners?

It is lesson 43 of 186 in the free Data Engineer roadmap, in stage 13, Document. 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.