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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Write a SQL query to select all columns from the 'employees' table.
💡 Hint: Use SELECT and FROM clauses.
Question 2
Easy
How would you filter to find orders with 'Shipped' status?
💡 Hint: Think about the WHERE clause.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What SQL clause would you use to filter results?
- SELECT
- WHERE
- ORDER BY
- LIMIT
💡 Hint: Think about the purpose of each clause.
Question 2
True or False: The ORDER BY clause can sort results in either ascending or descending order.
- True
- False
💡 Hint: Consider how you can use ORDER BY in SQL.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You need to analyze user behavior by collecting login data for the past month. Write a SQL query that retrieves user IDs and counts their logins for that month, limited to users with more than 5 logins.
💡 Hint: Focus on filtering the date and counting occurrences.
Question 2
You are tasked with finding the top 5 customers who have spent the most over the last year. Create the SQL query to retrieve each customer's ID and total spent amount.
💡 Hint: Remember to sum the amounts and sort top to bottom.
Challenge and get performance evaluation