Practice - Basic SQL Queries
Practice Questions
Test your understanding with targeted questions
Write a SELECT statement to get the names of all employees.
💡 Hint: Think about which columns you need from the employees table.
Use a WHERE clause to find orders with a status of 'Completed'.
💡 Hint: Use the STATUS you see in the orders table.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the SELECT statement do?
💡 Hint: Think about what SELECT allows you to do with data.
True or False: The LIMIT clause can be used to specify the maximum number of records returned.
💡 Hint: Recall the purpose of LIMIT.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Write a complex query using JOIN, COUNT, and GROUP BY to identify the total number of orders each customer has made and sort them in descending order.
💡 Hint: Start by figuring out how customers relate to orders.
Consider a dataset with users and their activity logs. Write a query to find which users have more than 10 logins in the last month.
💡 Hint: You’ll need to filter by date and aggregate logins.
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Reference links
Supplementary resources to enhance your learning experience.