SELECT * FROM users as A WHERE ( A.cash BETWEEN 0 AND 79.99) AND A.tariff = '15';
SELECT * FROM users as A WHERE ( A.cash BETWEEN 0 AND 79.99) AND A.tariff = '15';
запросом что бы отобразить еще и телефон с таблицы phones. SELECT * FROM `users`,`phones` WHERE users.login=phones.login AND `Cash`<'0';