Connecting Excel as Database with Delphi

Hi! I would like to ask, if you could give me quick steps onn how to connect
Excel as database with Delpphi. The problem is, that when I try to create
Table (using RS_Excel as my alias) I get an error message: "Can't create
field of type real". the error is also the same for all other types.
I need only column of numbers from Excel, which I can mmanipulate using
Sorry if I am using wrong way of sending my request, but I am new to
Thank you in anticipation