Access questions

I need someone to explain to me how to - in access 2002 - I have a db in access - I need to add 4 columns to it -- add a default value to all records in some of the new columns and then I need to import data from 4 other access db's into their respective columns in the new db(the one with the four new columns) I have done it before, but it is slipping my mind. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) Complete ownership and distribution copyrights to all work purchased. ## Platform access