MYSQL DATABASE INTERVIEW QUESTIONS

What is the purpose of the <> or != operator in MySQL?

How would you write a query to find all employees who are not in the 'Sales' department using the <> operator?

Can the <> or != operator be used with string values in MySQL? Provide an example scenario

What is the difference between <> and != in MySQL?

How can you use the != operator to filter results based on multiple conditions?

How would you handle NULL values when using the <> or != operator in a query?

Explain how using <> or != operators can impact query performance.

Describe a scenario where using the != operator in a join condition would be appropriate.

How can the use of <> or != operators in a query affect the results when dealing with case-sensitive data?

During a database certification exam, you are asked to explain the scenarios in which you would prefer using <> or != over other comparison operators in a query.