I figured it eventually. (The only thing I don't know is where to put the ORDER BY.)
I want to select only those BRAND/MODEL combinations, where the MODEL has more than one TYPE, but only where one of those has TYPE_NAME='xyz'.
I am not interested in MODELs with multiple TYPEs where none of them are called 'xyz'.
SELECT BRAND_NAME,MODEL_NAME FROM TYPE left outer join MODEL on MODEL_PK =TYPE.MODEL_FK left outer join BRAND on BRAND_PK =MODEL.BRAND_FK group by BRAND.BRAND_NAME,MODEL_NAME having count(*)>1
intersect
SELECT BRAND_NAME,MODEL.MODEL_NAME FROM TYPE left outer join MODEL on MODEL_PK =TYPE.MODEL_FK left outer join BRAND on BRAND_PK =MODEL.BRAND_FK where TYPE_NAME='xyz' group by BRAND.BRAND_NAME,MODEL_NAME
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Regards/Gruß,
Tarlika Elisabeth Schmitz
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Regards/Gruß,
Tarlika Elisabeth Schmitz
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