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AI & Data

SQL & Data Visualization

When data outgrows a spreadsheet, analysts reach for SQL. In this course you will write queries to select, filter, group, and join data across tables, then present your findings in simple dashboards that a manager can understand at a glance. You will practise on a sample business database with free tools, so no paid software is needed. It follows the Spreadsheets for Data Analysis course in this roadmap.

Intermediate · 12 lessons · 9 hours · English · Part of the Data Analyst Roadmap

SQL & Data Visualization course cover artwork

What you will learn

  • Explain how databases and tables store business data
  • Write SELECT queries with filtering and sorting
  • Aggregate data with GROUP BY, SUM, COUNT and AVG
  • Combine tables with JOINs to answer real questions
  • Turn query results into clear charts and a simple dashboard
  • Present an analysis finding in plain, confident language

Curriculum

Module 1: SQL Fundamentals
  • Databases and Tables: Where Company Data LivesFree preview10 min
  • Your First Queries: SELECT, WHERE and ORDER BY13 min
  • Filtering with Conditions and Pattern Matching12 min
  • Module Quiz: SQL FundamentalsQuiz
Module 2: Answering Questions with SQL
  • Summaries with GROUP BY and Aggregate Functions13 min
  • Joining Tables: The Heart of Real SQL14 min
  • Subqueries and Combining Results12 min
  • Module Quiz: Analytical SQLQuiz
Module 3: Dashboards and Storytelling with Data
  • From Query Results to Charts that Make Sense12 min
  • Building a Simple Dashboard with a Free BI Tool14 min
  • Reading: Presenting Findings Without Misleading Charts7 min
  • Module Quiz: Visualisation and DashboardsQuiz

Project: Build a Sales Dashboard from a Sample Database — you finish this course by building it, not just by watching.

Requirements

  • Comfortable with spreadsheets and basic data ideas
  • A computer with a web browser (free online SQL tools are used)
  • No programming experience required

Frequently asked questions

Is SQL & Data Visualization really free?

Yes. This course is free and open. Its lessons use public learning videos with FUTEAC summaries, tasks and quizzes. An optional verified certificate is available after completion.

Do I get a certificate?

You receive a completion record when you finish the course and pass its quizzes. A verifiable certificate with a public verification link is available as an optional upgrade.

What do I need before starting?

Check the Requirements section on this page. If a course builds on an earlier one, we say so there — and the roadmap shows you the right order.

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