Retrieving the top 100 numbers from one hundred million of numbers

Question

One of my friend has been asked with a question

Retrieving the max top 100 numbers from one hundred million of numbers

in a rece

Answer 1

By TOP 100, do you mean 100 largest? If so:

SELECT TOP 100 Number FROM RidiculouslyLargeTable ORDER BY Number DESC

Make sure you tell the interviewer that you assume the table is indexed properly.