mysql - 用另一个表中的数据更新 mysql 表

Question

是否可以使用子选择在 mysql 5.0 上运行 UPDATE 命令。

我想运行的命令是这样的：

UPDATE book_details
SET live = 1 
WHERE ISBN13 = '(SELECT ISBN13 FROM book_details_old WHERE live = 1)';

ISBN13 当前存储为字符串。

这应该更新 10k+ 行。

谢谢，

威廉

Answer 1

UPDATE table1 t1, table2 t2
SET t1.field_to_change = t2.field_with_data
WHERE t1.field1 = t2.field2;

Answer 2

UPDATE book_details AS bd, book_details_old AS old
SET bd.live=1  
WHERE bd.isbn13=old.isbn13  
AND old.live=1;

Answer 3

只需稍作改动，您就明白了：

UPDATE book_details
SET live = 1 
WHERE ISBN13 in (SELECT ISBN13 FROM book_details_old WHERE live = 1);

Answer 4

从其他表中的数据更新表

UPDATE table1, table2 SET table1.field1 = table2.field1 where table1.id = table2.id

前任。UPDATE transaction, member SET transaction.Memberid = member.memberId WHERE transaction.CardId = member.CardId;

Answer 5

从其他表更新数据

UPDATE  tab t1, tab t2
SET     t1.company_name = t2.company_name
WHERE   t1.id = t2.id