Hallo,
Du meinst also so?, ich probier das gleich mal.
SELECT col1_in_tab1, MATCH (col1_in_tab1) AGAINST('text') as ORDER
FROM tab1 WHERE MATCH (col1_in_tab1) AGAINST('text')
UNION
SELECT col1_in_tab2, MATCH (col1_in_tab2) AGAINST('text') as ORDER
FROM tab2 WHERE MATCH (col1_in_tab2) AGAINST('text')
ORDER BY ORDER
Gruss, Mario