Questions d'entretiens - Big Data

A secondary table key that is applied to one or more fields that can be applied with a ordering property, typically used for the primary textual identifier of the table. (There are a few ways to describe this type field, I didn't answer in the exact definition. This is really a ridiculous question for the role in question, and then he continued with other intro to database questions. I believe the interview approach was clustered, so to speak, to get thru the full interview would have taken a few days.)

As i was aware of Internals of Hadoop, was able to clear the interview