Here is one of the important interview question which is related to TempDB and how to Move TempDB from One Drive to Another Drive When Low Disk Space.
There is always more than one way to do one thing in any programming languages. In SQL Server there is always more than one way to achieve same result set. It is quite often I see that developers write subqueries in place of joins or joins in place subqueries.
As the title is very clear what this post is about I will not write long description. I have listed definition of FILLFACTOR from BOL here.