Frequently Asked MySQL Query based Interview Questions[Updated]

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Question 1: How to find the second highest salary of an Employee?

Question 2: How to find duplicate records in the Employee Table?

Question 3: How to reverse the gender of each employee in a table?

Suppose there is the table named users and its has columns id, first_name, last_name, gender
So the SQL will be:

Question 4: How to count duplicate records in employee table?

Question 5: How to find third highest salary of an employee?

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