yo,
SELECT modul.id, modul.category_id .... modul.created, categories.category
FROM nboard modul, nboard_categories categories
WHERE categories.id=modul.category_id
AND modul.created =
(
SELECT MAX(tab1.created)
FROM nboard tab1
WHERE tab1.category_id = modul.category_id
)
die anderen LEFT JOINS habe ich mir mal ersparrt.
Ilja