Best Websites to Practice SQL
Curious about how to manage databases but unsure where to start without breaking the bank?
Today, we’re highlighting the best websites to practice SQL for free. These platforms offer a fantastic opportunity for beginners to sharpen their database management skills without spending any rupee.
10 Best Websites for Practicing SQL – Overview
Here’s an overview of the top 10 websites to practice SQL:
| S.No. | Website Name | Pricing | Certification | Website Link |
|---|---|---|---|---|
| 1 | SQLZoo | Free | No | Visit Now |
| 2 | W3Schools | Free | No | Visit Now |
| 3 | SQLBolt | Free | No | Visit Now |
| 4 | CodeChef | Free/Paid | Yes | Visit Now |
| 5 | SQLPad | Paid | Yes | Visit Now |
| 6 | HackerRank | Free/Paid | Yes | Visit Now |
| 7 | LeetCode | Free/Paid | No | Visit Now |
| 8 | Mode Analytics | Free/Paid | No | Visit Now |
| 9 | Dofactory | Free | No | Visit Now |
| 10 | StrataScratch | Free/Paid | No | Visit Now |
Best Websites to Practice SQL
Below is the list of best websites to practice SQL for beginners:
1. SQLZoo
SQLZoo provides an interactive SQL tutorial for learners at different stages, featuring practical exercises and quizzes to teach database handling using SQL.
Questions Diversity: Covers basic commands, complex joins, nested queries, aggregate functions, and database management.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English, 日本語 (Japanese), 中文 (Chinese)
Community and Support: Nil
2. W3Schools
W3Schools provides a comprehensive platform for learning SQL through structured exercises, offering a practical way to test and improve SQL skills.
Questions Diversity: The site includes a variety of SQL exercises that cover different chapters of SQL, designed to help users practice by completing code snippets and solving problems.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Nil
3. SQLBolt
SQLBolt offers an interactive tutorial to help both technical and non-technical users learn SQL through a series of structured lessons and exercises directly in the browser.
Questions Diversity: The exercises cover basic to advanced SQL queries, including SELECT statements, constraints, and how to manipulate and transform data within relational databases.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Nil
4. CodeChef
CodeChef offers a topic-wise SQL practice path designed to master various SQL topics through a series of case studies and problems.
Questions Diversity: The platform includes 80 problems across different SQL topics such as aggregates, GROUP BY, JOINs, subqueries, and CASE expressions.
Pricing: Free/ Paid
Certifications and Rewards: Shareable certificate
Language Options: English
Community and Support: AI-driven assistance
5. SQLPad
SQLPad offers an engaging platform to prepare for SQL, Python, and R job interviews, with a special focus on helping users land their dream jobs in AI and data science.
Questions Diversity: Features a curated list of 230 SQL and Python coding questions, designed to simulate real interview scenarios at top tech companies like Apple, Amazon, and Google.
Pricing: Paid
Certifications and Rewards: Shareable certificate
Language Options: English
Community and Support: Mentoring and feedback, as testimonials suggest a high level of personal interaction and support.
6. HackerRank
HackerRank’s SQL domain offers a structured platform for learning and mastering SQL through a series of challenges and exercises designed for various skill levels.
Questions Diversity: The challenges range from basic to advanced SQL tasks, including subdomains like Basic Select, Advanced Select, Aggregation, Basic Join, Advanced Join, and Alternative Queries.
Pricing: Free/ Paid
Certifications and Rewards: Shareable certificates
Language Options: English
Community and Support: HackerRank supports a robust community platform where users can discuss problems, solutions, and share insights.
7. LeetCode
LeetCode’s SQL 50 study plan is designed to help users crack SQL interviews by mastering 50 carefully selected SQL problems.
Questions Diversity: The plan includes a mix of challenges ranging from basic to medium difficulty, covering various aspects such as basic joins, aggregate functions, sorting, grouping, and advanced SQL operations.
Pricing: Free/ Paid (LeetCode Premium) providing access to more questions and company-specific practice sets.
Certifications and Rewards: Nil
Language Options: English
Community and Support: Community support through forums, discussions, and competitive coding events.
8. Mode Analytics
Mode offers a comprehensive SQL tutorial that aims to teach data analysis through SQL, targeting both beginners and those looking to refine their skills with more advanced concepts.
Questions Diversity: The tutorial is structured into basic, intermediate, and advanced sections, covering everything from simple SELECT statements to complex operations like subqueries, window functions, and performance tuning.
Pricing: Free/ Paid with additional professional tools and features.
Certifications and Rewards: Nil
Language Options: English
Community and Support: Mode supports learners with a help center, developer hub, and Mode University.
9. Dofactory
DoFactory provides a free online SQL tutorial that is geared towards both beginners and experienced developers, focusing on practical SQL examples and real-world applications.
Questions Diversity: The tutorial includes a variety of SQL examples addressing common database queries and issues. Each example is designed to solve specific problems, with a ‘Try It Live’ feature that allows users to execute SQL queries in a live editor.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Nil
10. StrataScratch
StrataScratch offers a platform focused on coding questions and challenges that are frequently used in interviews by top tech companies like Facebook, Amazon, Airbnb, Netflix, and Google.
It provides a diverse array of questions suitable for various roles including Data Engineers, Data Scientists, BI Analysts, Data Analysts, ML Engineers, and Software Engineers.
Questions Diversity: The site features a broad spectrum of SQL questions, categorized by company, industry, difficulty, and whether they have video solutions. Challenges range from easy to hard, encompassing various SQL topics such as aggregates, joins, and subqueries.
Pricing: Free/ Paid
Certifications and Rewards: Nil
Language Options: English
Community and Support: Nil
Frequently Asked Questions
1. What are the best websites for practicing SQL?
The best websites for practicing SQL are:
- SQLZoo
- W3Schools
- SQLBolt
- CodeChef
- HackerRank
2. Why should I choose website for practicing Python?
Websites for practicing Python offer interactive exercises, immediate feedback, and a structured learning path, making it easier to learn and apply Python concepts practically.
3. How do I choose the right website for practicing Python?
To choose the right website for practicing Python, consider factors like the range of difficulty levels, specific topics covered, the presence of step-by-step solutions, and community support.
4. Can a beginner practice Python effectively through websites?
Yes, a beginner can effectively practice Python through websites. These platforms often provide beginner-friendly tutorials, exercises graded by difficulty, and instant feedback.
5. Are there websites that offer content in multiple languages for practicing Python?
Yes, websites like CheckiO provide Python practice content in multiple languages.
Final Words
The resources we’ve discussed provide comprehensive, easy-to-follow SQL practice questions that don’t have to come with a huge price tag.
Keep checking this article as we will keep updating this space as more websites make space in the heart and study schedule of students preparing for placements and competitive exams.
Explore More SQL Resources
Explore More Practice Websites
Thirumoorthy serves as a teacher and coach. He obtained a 99 percentile on the CAT. He cleared numerous IT jobs and public sector job interviews, but he still decided to pursue a career in education. He desires to elevate the underprivileged sections of society through education
Thirumoorthy serves as a teacher and coach. He obtained a 99 percentile on the CAT. He cleared numerous IT jobs and public sector job interviews, but he still decided to pursue a career in education. He desires to elevate the underprivileged sections of society through education
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