Practice - RIGHT JOIN (or RIGHT OUTER JOIN)
Practice Questions
Test your understanding with targeted questions
What does a RIGHT JOIN do?
💡 Hint: Think about which table ensures that all data is shown in the results.
What will a query with RIGHT JOIN show for departments without students?
💡 Hint: Consider how unmatched relationships in the left table are displayed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does RIGHT JOIN do in SQL?
💡 Hint: Focus on which table's data is always included.
True or False: RIGHT JOIN can result in NULL values in the result set.
💡 Hint: Think about missing relationships between tables.
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Challenge Problems
Push your limits with advanced challenges
Given a Students table with NULL values for MajorDeptID, write a RIGHT JOIN query against a Departments table to ensure departments remain displayed.
💡 Hint: Think about how to accomplish a complete output, where departments always show up.
Create a RIGHT JOIN query to retrieve a list of faculty and their respective subjects while ensuring all subjects are displayed, even those with no faculty.
💡 Hint: Focus on which table’s rows should always be displayed.
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Reference links
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