Who’s on first The Big data ?

Abbott: Well Costello, I’m going to New York with you. You know Buney Harmis, the “I make money ” CEO, gave me a job as Big Data analyst for as long as you’re on the Data base project team. 

Costello: Look Abbott, if you’re the Big Data analyst, you must know the business and where to look for the data in all the unstructured sales data.

Abbott: I certainly do.
Costello: Well you know I’ve never seen their business process. So you’ll have to tell me what data to collect, and then I’ll be able to show you some real insights. So what are the names of the sales dimensions?
Abbott: Oh, I’ll tell you their names, but you know it seems to me they give these unstructured sales data.files very peculiar names.
Costello: You mean funny names?
Abbott: Well, let’s see, we have 3 unstructured data files for the sale information. The, Who’s on first, What’s on second, I Don’t Know is on third…
Costello: That’s what I want to find out.
Abbott: I say Who’s on first, What’s on second, I Don’t Know’s on third.
Costello: Are you the Data analyst?
Abbott: Yes.
Costello: And you don’t know what the data files contain?
Abbott: Well I should.
Costello: Well then who’s on first?
Abbott: Yes.
Costello: I mean what data is there?.
Abbott: Who.
Costello: The data on first.
Abbott: Who.
Costello: The first file.
Abbott: Who.
Costello: The data in the file…
Abbott: Who is on first!
Costello: I’m asking Who’s data is on first?
Abbott: That’s the data name.
Costello: That’s who’s data name?
Abbott: Yes.
Costello: Well go ahead and tell me.
Abbott: That’s it.
Costello: That’s who?
Abbott: Yes.