Difference between table truncate and delete. Difference between clustered and non-clustered index. Difference between abstract class versus interface. How would you handle a 1/2 million record import file in the wrong format that has to be processed in 4 hours? If a manager dropped a one line requirement on your desk for a project and said you had one year what would your approach be? If you have 4 equally capable employees on the team and are informed you have to release two of them what would your approach be?