SQL Fundamentals

Lesson in the Python for Data Analysis Roadmap · Stage 4: SQL Fundamentals

Last updated 14 September 2026

What is SQL Fundamentals?

SQL (Structured Query Language) is the standard language for querying relational databases. Data analysts use SQL to extract, filter, aggregate, and join data from databases before loading it into Python for further analysis. Python provides several libraries for running SQL queries directly from code.

Study this in the interactive course See the whole Python for Data Analysis roadmap

Free resources to learn SQL Fundamentals

ArticleSQL Tutorial - Mode
ArticleSQL Tutorial
VideoSQL Tutorial - Full Database Course for Beginners

SQL Fundamentals: common questions

Can I learn SQL Fundamentals 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 SQL Fundamentals 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 SQL Fundamentals tutorial for beginners?

It is lesson 31 of 112 in the free Python for Data Analysis roadmap, in stage 4, SQL Fundamentals. If you are new to Python for Data Analysis, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.