9. The computer implemented method of claim 1 , wherein said sorting of said each of said source data files based on said lineage relationship defined in said configuration language by said interlinear sort component comprises: sorting said each of said source data files that has no parent file on an order key field of said each of said source data files; and sorting said each child file that has a parent file on an adopt key field configured to relate said each child file to said parent file.
9. The computer implemented method of claim 1 , wherein said sorting of said each of said source data files based on said lineage relationship defined in said configuration language by said interlinear sort component comprises: sorting said each of said source data files that has no parent file on an order key field of said each of said source data files; and sorting said each child file that has a parent file on an adopt key field configured to relate said each child file to said parent file. 10. The computer implemented method of claim 9 , wherein said sorting of said each child file that has said parent file based on said adopt key field comprises: collating said parent file and said each child file and attaching a parent position number to each of said one or more child file records contained in said each child file corresponding to said parent file; and sorting said each child file using said parent position number as a primary key and said order key field of said each child file as a secondary key.