I have a situation similar to the following: two TABLES:
Section and Supplemental_CourseData
section (sec_semester,sec_crn, sec_subjcode, sec_course_num, sec_shcd_code)
Primary key: (sec_semester,sec_crn)
Supplemental_CourseData( sup_subjcode, sup_course_num, sUP_eff_semester, sup_cuda_code)...