The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT pk_tbl.version
FROM igs_en_attrib_values pk_tbl,
igs_en_attrib_values ord_tbl
WHERE pk_tbl.obj_type_id = ord_tbl.obj_type_id (+)
AND pk_tbl.obj_id = ord_tbl.obj_id (+)
AND pk_tbl.version = ord_tbl.version (+)
AND pk_tbl.obj_id = p_doc_inst_id
AND pk_tbl.obj_type_id = p_obj_type_id
AND pk_tbl.attrib_id = c_pk_id
AND ord_tbl.attrib_id = c_ord_id
ORDER BY ord_tbl.value;