ORACLE DATABASE INTERVIEW QUESTIONS

What is the purpose of the RANK() function in SQL?

How do you use the RANK() function to rank rows within a partition in Oracle?

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

How do you use the NTILE() function to distribute rows into a specified number of groups in Oracle?

How do you combine the RANK() function with the WHERE clause to filter ranked results in Oracle?

How do you use the ROW_NUMBER() function to assign a unique identifier to each row in Oracle?

How do you rank rows based on multiple columns using the RANK() function in Oracle?

How do you use the PERCENT_RANK() function to calculate the relative rank of a row within a partition in Oracle?

How do you handle ties when using the RANK() function to rank rows in Oracle?

Explain a scenario where you need to use the RANK() function in a real-world application and how you would implement it in Oracle.