Не поставяйте интервал
SELECT COUNT(oferta_id_oferta)
FROM `oferta_has_tags`
WHERE oferta_id_oferta =
(SELECT id_oferta FROM oferta
WHERE oferta = "designer")
Не поставяйте интервал
SELECT COUNT(oferta_id_oferta)
FROM `oferta_has_tags`
WHERE oferta_id_oferta =
(SELECT id_oferta FROM oferta
WHERE oferta = "designer")