ALTER TABLE repeat_region_exons ADD FOREIGN KEY (id) REFERENCES repeat_region(id) ON DELETE CASCADE;
ALTER TABLE repeat_region_function ADD FOREIGN KEY (id) REFERENCES repeat_region(id) ON DELETE CASCADE;
ALTER TABLE repeat_region_introns ADD FOREIGN KEY (id) REFERENCES repeat_region(id) ON DELETE CASCADE;
ALTER TABLE repeat_region_locus_tag ADD FOREIGN KEY (id) REFERENCES repeat_region(id) ON DELETE CASCADE;
ALTER TABLE repeat_region_note ADD FOREIGN KEY (id) REFERENCES repeat_region(id) ON DELETE CASCADE;
ALTER TABLE repeat_region_rpt_family ADD FOREIGN KEY (id) REFERENCES repeat_region(id) ON DELETE CASCADE;
ALTER TABLE repeat_region_rpt_type ADD FOREIGN KEY (id) REFERENCES repeat_region(id) ON DELETE CASCADE;
