DBA – SQL SELECT QUERY – EXERCISE 3

Following the DBA exercise 2, we continue the series with a new SQL select statement to compute.

Context

You will use the same data for this training exercise, you can also reuse the index you’ve likely introduced if you have been through the solution.

Request

Let’s say I want to retrieve the 3 best students in IT, what SQL query should I process ?

This is another kind of real life example of request.

If you have any questions, don’t hesitate to ask.