Use a Self Join and display the last name of each Instructor and the last name of their Department Chair. Label each column

Question

Use a Self Join and display the last name of each Instructor and the last name of their Department Chair. Label each column
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Solution 1

Assuming you are using SQL and you have a table named "Instructors" with columns "LastName", "FirstName", "Dept", and "IsDeptChair", you can use a self join to display the last name of each instructor and the last name of their department chair. Here's how you can do it:

SELECT I1.LastName A
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Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
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