ALTER TABLE feature_names ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_db_xref ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_introns ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_exons ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_ec_number ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_codon_start ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_gene ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_protein_id ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_transl_table ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_function ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_isolate ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_mol_type ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_note ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_product ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_translation ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_strain ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_locus_tag ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_sub_strain ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_bound_moiety ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
ALTER TABLE feature_db_xref_exp ADD FOREIGN KEY (id) REFERENCES feature(id) ON DELETE CASCADE;
