12.4 - Common QA Scenarios with SQL
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Practice Questions
Test your understanding with targeted questions
What command is used to retrieve data from a table?
💡 Hint: It's the first SQL command you typically learn.
What does the WHERE clause do?
💡 Hint: Think of it as applying a condition to your query.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which SQL command is used to retrieve specific data from a table?
💡 Hint: It sounds like 'select your favorites'.
True or False: The WHERE clause can be used to filter data based on predefined conditions.
💡 Hint: Think about conditions in a sentence.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
You need to validate user purchases by confirming that the total amount spent matches the individual item prices listed in the database. How would you structure the SQL query?
💡 Hint: Think about how the orders link to items.
Explain how to ensure the integrity of foreign key data in your database.
💡 Hint: Consider the relationship aspect between tables.
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