2016-10-01 67 views

回答

2
SELECT 
    Book.* 
FROM 
    Book 
WHERE 
    PublisherID = (
        SELECT 
         PublisherID 
        FROM 
         Publisher 
        WHERE 
         Name = 'XXX' 
        LIMIT 1 
       ) 

或者:

SELECT 
    Book.* 
FROM 
    Book 
LEFT JOIN 
    Publisher 
ON 
    Publisher.PublisherID = Book.PublisherID 
WHERE 
    Publisher.Name = 'XXX' 
+0

太謝謝你了! –