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SQL Exercises

Master SQL syntax through 110 interactive fill-in-the-blank challenges. From variables to advanced logic, practice until it's second nature.

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Exercise Categories

aggregations

15 Exercises

Interactive practice for aggregations in SQL.

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basics

15 Exercises

Interactive practice for basics in SQL.

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indexes

5 Exercises

Interactive practice for indexes in SQL.

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joins

15 Exercises

Interactive practice for joins in SQL.

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queries

15 Exercises

Interactive practice for queries in SQL.

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schema design

10 Exercises

Interactive practice for schema design in SQL.

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subqueries

15 Exercises

Interactive practice for subqueries in SQL.

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transactions

15 Exercises

Interactive practice for transactions in SQL.

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window functions

5 Exercises

Interactive practice for window functions in SQL.

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Why use Learn2Code for
SQL practice?

Active Recall

Don't just watch videos. Thinking about the missing code piece activates your brain much more effectively than passive learning.

Instant Feedback

Every choice you make gives you detailed, personalized feedback. You'll understand why a distractor is wrong immediately.

Zero Friction

No environment to set up. No accounts to create. Just pick a topic and start typing code.

// Example SQL Exercise
function calculateTotal(price, tax) {
  const total = price * (1 + tax);
  return total;
}
sum
total
result

Frequently Asked Questions

Are these SQL exercises free?
Yes, all SQL exercises on Learn2Code are 100% free and require no sign-up. We believe the best way to learn is by doing, so we've made our interactive practice accessible to everyone.
What topics are covered in the SQL practice?
Our SQL curriculum covers everything from basic basics and queries to advanced concepts like transactions. Each category features multiple exercises ranging from beginner to advanced difficulty.
How does the fill-in-the-blank format help?
Fill-in-the-blank exercises force you to read and understand existing code context before providing the missing piece. This builds "code fluency"—the ability to recognize and write syntax patterns quickly and accurately, which is essential for professional development.

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