Write a MySQL query to get the difference between the highest and lowest salaries

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Introduction

Write a MySQL query to get the difference between the highest and lowest salaries. I have used phpMyAdmin for the following Exercises.

– students

StudentId FirstName LastName Admission_fee Admission_date Branch Branch_ID
1 John Smith 1000 2018-06-10 Computer Engineering 111
2 David Jones 1200 2018-06-20 Civil Engineering 222
3 Michael Johnson 900 2018-08-15 Chemical Engineering 333
4 Chris Lee 1500 2018-07-10 Electrical Engineering 444
5 Mike Brown 1600 2018-09-10 Mechanical Engineering 555
6 Lisa Smith 1800 2018-07-10 Computer Engineering 666
7 Mary Smith 1600 2018-06-11 Computer Engineering 777
SELECT MAX( admission_fee ) - MIN( admission_fee ) DIFFERENCE
FROM students

Result

Write a MySQL query to get the difference between the highest and lowest salaries
Write a MySQL query to get the difference between the highest and lowest salaries

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