MYSQL DATABASE INTERVIEW QUESTIONS

What is the purpose of ranking functions in MySQL?

How does the RANK() function work in MySQL?

What is the difference between RANK() and DENSE_RANK() in MySQL?

How can you rank rows within a group using the ROW_NUMBER() function in MySQL?

Can you explain the concept of partitioning in ranking functions?

What is the use of the ORDER BY clause in ranking functions?

How would you handle ranking ties in MySQL to ensure unique rankings?

Explain the potential performance implications of using ranking functions on large datasets.

What strategies can you use to optimize queries that involve ranking functions?

During a database certification exam, you are asked to explain the difference between RANK() and ROW_NUMBER() without using code. How would you describe it?