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5- The following relational algebra expression finds the names of the instructor who taught a course in 2018 in the Music Department, along with the

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5- The following relational algebra expression finds the names of the instructor who taught a course in 2018 in the Music Department, along with the name of the relevant course: I Iname, titte (dept_name= "Music", year = 2018 (instructor (teaches IIcourse_id, title (course))))

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