Мы ответим на Ваши вопросы
Холодильники и морозильники
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=10542 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=3768 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=2248 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=3768 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=2248 limit 1