Udfør dobbelt indlejring
DELETE FROM catalogue
WHERE catalogue_id IN (SELECT catalogue_id FROM (
SELECT catalogue_id
FROM catalogue
WHERE (
product_id = (SELECT product_id FROM catalogue WHERE catalogue_id = '2290')
AND length_id = (SELECT length_id FROM catalogue WHERE catalogue_id = '2290')
AND gauge_id = (SELECT gauge_id FROM catalogue WHERE catalogue_id = '2290')
)) x
)
Det narrer mysql