12.6 - Summary
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Practice Questions
Test your understanding with targeted questions
What SQL command do you use to retrieve data from a database?
💡 Hint: It's the first step in querying data.
What does the WHERE clause do?
💡 Hint: Think of it as a way to narrow down your results.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the SELECT statement do in SQL?
💡 Hint: Consider the purpose of querying.
The WHERE clause is used to filter data based on conditions. True or False?
💡 Hint: Think of it as applying a filter to your query.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Write a SQL query to display the total number of orders and the average order price.
💡 Hint: Combine counting and averaging.
How would you use GROUP BY to find duplicate email entries in the users table?
💡 Hint: Think about identifying repeated entries.
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