SQL SERVER连接MySQL

-- mysql

mysql> create table tb(id int,data varchar(20),
            chs_data varchar(50) character set 'gbk') character set 'latin1';
Query OK, 0 rows affected (0.09 sec)

mysql> insert into tb values(1,'mysql','小梁爱兰儿');
Query OK, 1 row affected (0.05 sec)

mysql> insert into tb values(2,'mysql','小梁爱兰儿');
Query OK, 1 row affected (0.00 sec)

mysql> select *from tb;
+------+-------+------------+
| id   | data  | chs_data   |
+------+-------+------------+
|    1 | mysql | 小梁爱兰儿 |
|    2 | mysql | 小梁爱兰儿 |
+------+-------+------------+
2 rows in set (0.00 sec)


--sql server



CREATE TABLE tb(id int,data VARCHAR(20),chs_data NVARCHAR(20));
INSERT tb VALUES(1,'sql server',N'小梁爱兰儿');
INSERT tb VALUES(2,'sql server',N'小梁爱兰儿');
GO

EXEC sp_addlinkedserver 'MySQL','','MSDASQL','My_SQL';
EXEC sp_addlinkedsrvlogin 'MySQL','false','sa','root','liangck';
GO

SELECT * 
  FROM OPENQUERY(MySQL,'SELECT * FROM mytest.tb') AS A
JOIN tb AS B
  ON A.id=B.id;

GO
EXEC sp_dropserver 'MySQL','droplogins';
DROP TABLE tb;


/*
id          data                 chs_data                                           id          data                 chs_data
----------- -------------------- -------------------------------------------------- ----------- -------------------- --------------------
1           mysql                小梁爱兰儿                                              1           sql server           小梁爱兰儿
2           mysql                小梁爱兰儿                                              2           sql server           小梁爱兰儿

(2 行受影响)
*/

 

原文： http://blog.csdn.net/liangCK/archive/2009/06/10/4258921.aspx