Practice - Row Subqueries
Practice Questions
Test your understanding with targeted questions
Define a row subquery.
💡 Hint: Think about how this is different from a scalar subquery.
Give an example of a scenario where a row subquery would be useful.
💡 Hint: What types of names or identifiers could you compare?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a row subquery return?
💡 Hint: Think about if you're comparing two identifiers.
True or False: A row subquery can replace a scalar subquery when you need to match multiple columns.
💡 Hint: Consider the use of multi-field criteria.
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Challenge Problems
Push your limits with advanced challenges
Design a row subquery to find employees who have the same role in the same department as EmployeeID 150.
💡 Hint: Make sure to structure the subquery correctly to ensure it returns the right match.
Write a query that uses a row subquery to find all products that have the same price and brand as the product with ID = 203.
💡 Hint: Think of each product having these attributes as columns to work with.
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Reference links
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