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Provide a query that can tell me the min and max grades assigned by each professor

Provide a query that can tell me the min and max grades assigned by each professor

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Provide a query that can tell me the min and max grades assigned by each professor 

I've been tasked with determining who the easiest and harshest professors are based on their grades. Provide a query that can tell me the min and max grades assigned by each professor. However, as a significant number of students fail their classes unrelated to the professor, please excuse all grades of 0.0 from the statistics. Also, please exclude professors with one or less passing students. There are two tables: the table "students" records the name, grade, and course for each student, the table "profs" records the name and course that each professor teaches. You may assume that there are no NULL values and each professor has a unique name. Here is some example data: Table: studemts 22 grade course name Zizhen 4.0 450 Table: profs 480 450 Cam 3.5 name course Cam 3.0 Josh 480 Jie 0.0 231 Josh 450 Jie 2.0 331 231 Sebnem 331 Rich Anne Josh 3.0 231 1.0 231 Josh 0.0 480 Josh 0.0 331 And the desired results for this example data (exact column names and row order doesn't matter): name min max Josh 3.0 4.0 Rich 1.0 3.0
Transcribed Image Text:I've been tasked with determining who the easiest and harshest professors are based on their grades. Provide a query that can tell me the min and max grades assigned by each professor. However, as a significant number of students fail their classes unrelated to the professor, please excuse all grades of 0.0 from the statistics. Also, please exclude professors with one or less passing students. There are two tables: the table "students" records the name, grade, and course for each student, the table "profs" records the name and course that each professor teaches. You may assume that there are no NULL values and each professor has a unique name. Here is some example data: Table: studemts 22 grade course name Zizhen 4.0 450 Table: profs 480 450 Cam 3.5 name course Cam 3.0 Josh 480 Jie 0.0 231 Josh 450 Jie 2.0 331 231 Sebnem 331 Rich Anne Josh 3.0 231 1.0 231 Josh 0.0 480 Josh 0.0 331 And the desired results for this example data (exact column names and row order doesn't matter): name min max Josh 3.0 4.0 Rich 1.0 3.0
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