PostgreSQL

Lesson in the BI Analyst Roadmap · Stage 21: SQL Fundamentals

Last updated 14 September 2026

What is PostgreSQL?

PostgreSQL is an advanced, open-source relational database management system (RDBMS) known for its robustness, extensibility, and standards compliance. It supports a wide range of data types and advanced features, including complex queries, foreign keys, and full-text search. PostgreSQL is highly extensible, allowing users to define custom data types, operators, and functions.

Study this in the interactive course See the whole BI Analyst roadmap

Free resources to learn PostgreSQL

RoadmapVisit the Dedicated PostgreSQL DBA Roadmap
Official docsPostgreSQL Website
CoursePostgreSQL: Become an SQL developer
ArticleLearn PostgreSQL - Full 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 76 of 200 in the free BI Analyst roadmap, in stage 21, SQL Fundamentals. If you are new to BI Analyst, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.