Penso GROUP_CONCAT
è quello che cerchi:
SELECT Title_ID,
Title,
GROUP_CONCAT(au_LName ORDER BY au_Ord) AS Authors
FROM Books
GROUP BY Title_ID, Title;
Penso GROUP_CONCAT
è quello che cerchi:
SELECT Title_ID,
Title,
GROUP_CONCAT(au_LName ORDER BY au_Ord) AS Authors
FROM Books
GROUP BY Title_ID, Title;