5 Free SQL Courses for Data Scientists [2025]
The Structured Query Language (or popularly known as SQL) remains a foundational skill for data scientists, because it helps to interact with databases efficiently, query data, and derive actionable insights. As companies become more data-centric, the demand for trained data scientists is increasing and online platforms like Coursera, eDX, and others are providing free SQL certification courses to meet this need of the hour.
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According to the LinkedIn Learning report 2024, SQL was ranked among the top three most in-demand technical skills globally. Learners can pursue any SQL online course with a certificate free of charge offered by top providers and train themselves as per industry standards. As a free SQL certification course only needs a good internet connection, anyone from anywhere can learn this language and give their career a kickstart as a data scientist. To know more, read the full article below.
Also Check: Online SQL Courses & Certifications
Free SQL Courses for Data Scientists
Various online platforms are offering SQL courses with certificates that one can choose and get started with their learning. Learners can check the top five free SQL certification courses in the table below, as these are cost-effective.
5 Free SQL Online Courses: Provider and Duration
| Course Name | Provider | Duration |
|---|---|---|
Davidson College, Davidson via Edx | 4 weeks | |
LearnQuest via Coursera | 3 weeks | |
Accenture via FutureSkills | 8 weeks | |
Great Learning | Self-paced | |
Great Learning | Self-paced |
Factors to Consider When Choosing an SQL Course
Course Content: Learners must ensure the course covers both basic and advanced SQL concepts relevant to data science.
Duration: It is important to choose the SQL certification courses that align with your schedule.
Certification: Choose the SQL course free with certificate upon completion to keep the relevancy of skills learnt.
Provider Reputation: Free SQL certification courses from reputable platforms often have better teaching resources to meet the learning needs.
Hands-on Practice: Practical assignments and real-world datasets enhance learning.
The Growth of Data Science Careers
According to the Coursera 2024 report, there was 35 per cent year-over-year growth in enrolments for data science courses, with SQL courses leading the chart. Google’s 2025 employment trends report also pointed out that the data science job market is expected to grow by 22 per cent annually, reaching 11.5 million job openings globally by 2030.
Also Check: Top SQL Project Ideas for Beginners
How to Apply for a Free SQL Online Course?
- Visit the provider’s official website.
- Sign up using your email ID.
- Enroll in the desired course.
- Complete the modules to earn a certificate
Eligibility Criteria
- Beginners: Basic computer skills and familiarity with data concepts.
- Professionals: Knowledge of programming languages like Python or R is advantageous.
Free SQL Certification Course: Job Profiles, Recruiters, and Salary Trends
Having SQL certifications opens the door to ample opportunities at various job profiles across industries. The salary for data science professionals ranges from Rs. 5 LPA to 25 LPA. To know about top job profiles, salary trends and top recruiters, check the table below.
| Job Profile | Average Salary (in Rs.) | Top Recruiters |
|---|---|---|
Data Scientist | 12 LPA - 25 LPA | Google, Microsoft, Amazon Deloitte, Accenture TCS, Infosys, IBM Oracle, SAP, Capgemini |
6 LPA - 12 LPA | ||
8 LPA - 18 LPA | ||
5 LPA - 10 LPA |
(Source: Naukri.com and Glassdoor)
Importance of SQL in Data Science
SQL serves as the backbone for data management and is indispensable for data scientists dealing with structured data. It allows seamless extraction, manipulation, and analysis of data stored in relational databases. In addition, other programming languages such as Python and R complement SQL, enabling advanced analytics and visualisations.
The synergy between SQL and programming languages equips data scientists with the ability to:
- Handle large datasets efficiently.
- Build predictive models.
- Create interactive dashboards for data storytelling.
Also Read: SQL vs Python: Which is better for a career in Data Science?
Conclusion
Free SQL certification courses provide a cost-effective way for data scientists to enhance their database management skills. With a range of courses from reputed providers like Coursera, eDX, and FutureSkills, learners can acquire industry-relevant expertise. As the data science field continues to grow, mastering SQL and other analytical tools will remain crucial for staying competitive.
Frequently Asked Questions (FAQs)
Yes, free SQL courses from reputable platforms often provide high-quality content and recognised certificates.
Most free SQL courses range from two hours to four weeks.
Yes, several courses are designed for beginners and offer step-by-step guidance.
Some do, while others may require a fee for the certificate.
SQL enables data scientists to extract, manipulate, and analyse data from databases efficiently.
Top platforms include Coursera, FutureSkills, eDX, and Great Learning offers free SQL courses with certificates.
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