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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of the LIMIT clause in SQL?
💡 Hint: Consider why we might not want all rows returned.
Question 2
Easy
Write a SQL query to select 3 records from a table named 'products'.
💡 Hint: Remember the basic syntax for limiting results.
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 does the LIMIT clause do in SQL?
- Restricts the number of records returned
- Sorts data in ascending order
- Combines multiple tables
💡 Hint: Think about its purpose when looking at large datasets.
Question 2
True or False: The LIMIT clause can specify the exact rows to return such as OFFSET 5, LIMIT 10.
- True
- False
💡 Hint: Consider how pagination works in data display.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
How would you write a SQL query to find the 7 highest-paid employees from the 'employees' table?
💡 Hint: Think about how to sort the records before limiting them.
Question 2
Create a query that returns every second record from the 'transactions' table, starting from record 10.
💡 Hint: Use both LIMIT and OFFSET effectively.
Challenge and get performance evaluation