Learn Data Visualization & SQL for Data Science Online: Free Course with AI Tutor & Certificate
This free data visualization course offers an optional paid certificate. In about 1 hours, you'll complete 26 video lessons covering Matplotlib, Seaborn, and advanced queries. You will learn to analyze data and build visual reports. It's a quick, practical way to build beginner data science skills.
Data Visualization & SQL for Data Science course syllabus
01 Introduction to Data Visualization
- Understanding Data Visualization
- Importance of Data Visualization in Data Science
- Types of Data Visualizations
- Tools for Data Visualization
02 Basics of SQL for Data Science
- Introduction to SQL
- Understanding Databases and Tables
- Basic SQL Queries
- Filtering and Sorting Data
- Using SQL for Data Analysis
- SQL for Data Manipulation
03 Data Visualization with Matplotlib
- Introduction to Matplotlib
- Creating Basic Plots
- Customizing Plots
- Working with Multiple Plots
- Saving and Exporting Visualizations
04 Data Visualization with Seaborn
- Introduction to Seaborn
- Creating Statistical Plots
- Customizing Seaborn Plots
- Visualizing Categorical Data
- Advanced Seaborn Techniques
05 Advanced SQL Techniques
- Joins and Subqueries
- Aggregation and Grouping
- Using SQL Functions
- Managing and Modifying Data
- Advanced Query Optimization
- SQL for Complex Data Analysis
Real-world projects you'll work on
Practice the exact kind of work Data Visualization & SQL for Data Science professionals do on the job.
- Visionary Leadership: Transforming Organizational Culture at a Tech Giant
- Innovate to Lead: Driving Change and Creativity at a Global Startup
- Emotional Intelligence Mastery: Fostering Team Success at a Fortune 500 Company
- Ethical Leadership in Action: Promoting Corporate Responsibility in a Leading Multinational Corporation
Skills you'll gain
Add these to your LinkedIn profile and resume the day you finish.
Who should take this Data Visualization & SQL for Data Science course?
And exactly what you need before starting (spoiler: almost nothing).
This course is for
- Beginners looking for a free SQL course with certificate options to start a data science career.
- Working professionals in India who need to analyze business data quickly.
- Students wanting to learn data visualization online without paying high tuition fees.
- Career switchers moving into data analytics or business intelligence roles.
Prerequisites
- No prior experience is required to take this course.
- A basic understanding of mathematics and statistics is helpful but not mandatory.
- You just need a computer and an internet connection to watch the videos and take the quizzes.
How learning works on LearnTube
The structure of a bootcamp, the price of free.
AI curates your path
Our AI picks the top 1% of video content for each topic and arranges it into a structured, goal-based curriculum. No more tutorial roulette.
Learn, then get quizzed
After every lesson, your AI tutor asks you a question and gives personalised feedback on your answer, so gaps get fixed immediately.
Finish with proof
Complete the course, build the capstone project, and claim a certificate recognised by 900+ hiring partners.
A complete Data Visualization & SQL for Data Science course: free, structured and job-focused
This free data visualization and SQL certification course comes with an optional paid certificate. You'll start by mastering the fundamentals in the Introduction to Data Visualization module. Next, the Basics of SQL for Data Science module teaches you how to query and manipulate databases. From there, you will move into Python libraries with Data Visualization with Matplotlib and Data Visualization with Seaborn. Finally, the Advanced SQL Techniques module helps you handle complex data operations. The entire program takes about 1 hours to finish, making it a highly focused learning experience.
LearnTube works differently than a standard video playlist. We curate the best YouTube lessons and pair them with an interactive AI tutor. After every single video, the AI tests your knowledge with a quick quiz to make sure you actually understand the material. Your first lesson, Understanding Data Visualization, sets the stage for an engaging format. Learning is completely free. If you want to verify your new skills for employers, you can choose to upgrade and get the verified certificate at the end.
To apply your skills, you'll complete four hands-on projects. These include Visionary Leadership: Transforming Organizational Culture at a Tech Giant and Innovate to Lead: Driving Change and Creativity at a Global Startup. You will also work through Emotional Intelligence Mastery: Fostering Team Success at a Fortune 500 Company, as well as Ethical Leadership in Action: Promoting Corporate Responsibility in a Leading Multinational Corporation. These exercises ensure you can apply data concepts to business scenarios.
Jobs you can target after learning Data Visualization & SQL for Data Science
Data Visualization & SQL for Data Science is a gateway skill for some of the fastest-growing roles in tech.
Cleans, queries, and visually presents data to help companies make better decisions.
Builds visual dashboards and writes SQL queries to track company performance metrics.
Uses Python libraries and databases to analyze large datasets and spot trends.
Typical entry-level salary ranges in India as of August 2026. Actual compensation varies by city, company and experience.
Earn a Data Visualization & SQL for Data Science certificate employers recognise
Finish the course and claim a certificate you can share anywhere.
- Learn 100% free: every lesson, quiz and the AI tutor cost nothing
- Claim your certificate when you complete the course (an optional paid add-on)
- Recognised by 900+ hiring partners across India
- One click to share on LinkedIn and add to your resume
Why learners choose LearnTube
Real reviews from Google. You learn free, you get assessed free, and you pay only if you want the certificate.
Though I have 11 years of experience as an HRBP, the course helped me refresh my knowledge and gave me insights into new trends in the market. The modules were clear and easy to understand, and the quizzes were well designed. I have added the certificate to my LinkedIn profile.
I had a lot of doubts while learning, but the AI chatbot answered them in detail with simple summaries. The videos on the platform saved me a lot of time as I didn't have to search YouTube and watch random content.
Just earned my certificate in HR Management from LearnTube.ai! The platform is user-friendly and the assessment was a great way to validate my knowledge. Feeling proud of this accomplishment!
I enrolled in a LearnTube personalized course to get into a Data Analytics role. It helped me learn SQL in depth and gave me hands-on experience with Power BI. I attached the LearnTube certificate to my CV, it added credibility to my profile, and I'm currently in the interview process.
The interface is user-friendly and intuitive, making it easy to navigate the course. I encountered no errors during my time using the platform, which was a refreshing change from other online learning platforms.
Just cleared the Business Analyst assessment and got certified! Loved how the course simplifies big concepts like data-driven decision making into short, practical lessons. The automated quizzes kept me on track the whole time. Perfect boost for my resume!
The certificate gave me a real edge during my B.Tech. By the time I graduated, I had skills that set me apart from my peers, and the certification opened up more job opportunities. It gave me the confidence to stand out during interviews.
I manage many software projects as a General Manager and was looking for a good certification program to stay competitive. After researching many programs, I chose LearnTube and it was much better than I expected. The material is well-organized and practical, and what I liked most is the lifetime access.
Frequently asked questions
Everything learners ask before starting this Data Visualization & SQL for Data Science course.
Do I get a certificate after this data visualization course?
Yes. The learning content is completely free, but you can purchase an optional certificate once you finish all 5 modules. You can easily add this credential to your resume or LinkedIn profile to show employers your new skills.
How is this different from watching regular YouTube tutorials?
LearnTube organizes curated video lessons into a structured path and adds an AI tutor. You will take interactive quizzes after every video, ensuring you actually understand the SQL and visualization concepts instead of just passively watching a screen.
Do I need to install any software to learn SQL for data science?
No special software is required to start. You can watch the 26 video lessons and complete the AI quizzes directly in your web browser. Later, you might want to install Python and a SQL database for personal practice.
What prior experience is needed for this data visualization classes online?
You do not need any previous programming or database experience. The course starts with basic concepts like Understanding Data Visualization and gradually introduces SQL and Python libraries, making it perfect for complete beginners.
Are there any SQL course fees I need to pay?
Learning the material is completely free. You only pay a small fee if you decide you want the official certificate at the end. All video lessons, AI quizzes, and the four hands-on projects are available at no cost.
How long does it take to finish the SQL training online?
The entire course takes about 1 hours to complete. It includes 26 short video lessons across 5 modules. Since the format is entirely self-paced, you can spread the lessons out over a few days or finish them in one sitting.
Will I learn Python libraries in this data visualization bootcamp?
Yes. While the course covers database querying, it also includes specific modules on Data Visualization with Matplotlib and Data Visualization with Seaborn. These are two of the most popular Python tools used by data scientists to create charts.
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26 lessons, an AI tutor that never gets tired, and a certificate at the finish line. All you need is an hour a day.
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