--第一部分(要点)
--永久访问方式（需对访问远程数据库进行经常性操作）时设置链接数据库
Exec sp_addlinkedserver \'MyLinkServer\',\'\',\'SQLOLEDB\',\'远程服务器名或ip地址\'
--或：
Exec sp_addlinkedserver \'远程服务器\',N\'SQL Server\'
Exec sp_addlinkedsrvlogin \'MyLinkServer\',\'false\',null,\'用户名\',\'密码\'
--返回本地服务器中定义的链接服务器列表
Exec sp_linkedservers
--返回表的字段中，其中对MSSQL而言：SRV_NAME(链接服务器的名称)，SRV_DATASOURCE(与指定链接服务器对应的服务器名)
--访问表时以四部分名称形式
--查询示例
Select * From MyLinkServer.数据库名.dbo.表名
--导入示例
Select * Into 表 From MyLinkServer.数据库名.dbo.表名
--以后不再使用时删除链接服务器
Exec sp_dropserver \'MyLinkServer\',\'droplogins\' --以用户名登录时
--或：
Exec sp_dropserver \'MyLinkServer\' --未以用户名登录时
--连接远程/局域网数据(OpenRowSet/OpenQuery/OpenDataSource)
--1、OpenRowSet
--查询示例
Select * From OpenRowSet(\'SQLOLEDB\',\'SQL服务器名\';\'用户名\';\'密码\',数据库名.dbo.表名)
--生成本地表
Select * Into 表 From OpenRowSet(\'SQLOLEDB\',\'SQL服务器名\';\'用户名\';\'密码\',数据库名.dbo.表名)
--把本地表导入远程表
Insert OpenRowSet(\'SQLOLEDB\',\'SQL服务器名\';\'用户名\';\'密码\',数据库名.dbo.表名)
Select *From 本地表
--更新本地表
Update b
Set b.列A=a.列A
From OpenRowSet(\'SQLOLEDB\',\'SQL服务器名\';\'用户名\';\'密码\',数据库名.dbo.表名) As a Inner Join 本地表 b
On a.column1=b.column1
--OpenQuery用法需要创建一个连接
--首先创建一个连接创建链接服务器
Exec sp_addlinkedserver \'MyLinkServer\',\'\',\'SQLOLEDB\',\'远程服务器名或IP\'
--查询
Select * From OpenQuery(MyLinkServer,\'Select * From 数据库.dbo.表名\')
--把本地表导入远程表
Insert OpenQuery(MyLinkServer,\'Select * From 数据库.dbo.表名\')
Select * From 本地表
--更新本地表
Update b
Set b.列B=a.列B
From OpenQuery(MyLinkServer,\'Select * From 数据库.dbo.表名\') As a
Inner Join 本地表 b On a.列A=b.列A
--3、OpenDataSource
Select * From OpenDataSource(\'SQLOLEDB\',\'Data Source=远程服务器名或IP;User ID=登陆名;Password=密码\').test.dbo.roy_ta
--把本地表导入远程表
Insert OpenDataSource(\'SQLOLEDB\',\'Data Source=远程服务器名或IP;User ID=登陆名;Password=密码\').数据库.dbo.表名
Select * From 本地表
--第二部分(实际示例)
--OpenRowSet使用OLEDB的一些例子
Select * From OpenRowSet(\'SQLOLEDB\',\'Server=(local);PWD=***;UID=sa;\',\'Select * From TB.dbo.school\') As t
Select * From OpenRowSet(\'SQLOLEDB\',\'Server=(local);PWD=***;UID=sa;\',TB.dbo.school) As t
Select * From OpenRowSet(\'SQLOLEDB\',\'Server=(local);Trusted_Connection=yes;\',TB.dbo.school) As t
Select * From OpenRowSet(\'SQLOLEDB\',\'(local)\';\'sa\';\'***\',\'Select * From TB.dbo.school\') As t
Select * From OpenRowSet(\'SQLOLEDB\',\'(local)\';\'sa\';\'***\',TB.dbo.school) As t
Select * From OpenRowSet(\'SQLOLEDB\',\'(local)\';\'sa\';\'***\',\'Select school.id As id1,people.id As id2 From TB.dbo.school Inner Join TB.dbo.people On school.id=people.id\') As t
--OpenRowSet使用SQLNCLI的一些例子(SQLNCLI在SqlServer2005以上才能使用)
Select * From OpenRowSet(\'SQLNCLI\',\'(local)\';\'sa\';\'***\',\'Select * From TB.dbo.school\') As t
Select * From OpenRowSet(\'SQLNCLI\',\'Server=(local);Trusted_Connection=yes;\',\'Select * From TB.dbo.school\') As t
Select * From OpenRowSet(\'SQLNCLI\',\'Server=(local);UID=sa;PWD=***;\',\'Select * From TB.dbo.school\') As t
Select * From OpenRowSet(\'SQLNCLI\',\'Server=(local);UID=sa;PWD=***;\',TB.dbo.school) As t
Select * From OpenRowSet(\'SQLNCLI\',\'Server=(local);UID=sa;PWD=***;DataBase=TB\',\'Select * From dbo.school\') As t
--OpenRowSet其他使用
Insert OpenRowSet(\'SQLNCLI\',\'Server=(local);Trusted_Connection=yes;\',\'Select name From TB.dbo.school Where id=1\') Values(\'ghjkl\') /*要不要Where都一样，插入一行*/
Update OpenRowSet(\'SQLNCLI\',\'Server=(local);Trusted_Connection=yes;\',\'Select name From TB.dbo.school Where id=1\') Set name=\'kkkkkk\'
Delete From OpenRowSet(\'SQLNCLI\',\'Server=(local);Trusted_Connection=yes;\',\'Select name From TB.dbo.school Where id=1\')
--OpenDataSource使用SQLNCLI的一些例子
Select * From OpenDataSource(\'SQLNCLI\',\'Server=(local);UID=sa;PWD=***;\').TB.dbo.school As t
Select * From OpenDataSource(\'SQLNCLI\',\'Server=(local);UID=sa;PWD=***;DataBase=TB\').TB.dbo.school As t
--OpenDataSource使用OLEDB的例子
Select * From OpenDataSource(\'SQLOLEDB\',\'Server=(local);Trusted_Connection=yes;\').TB.dbo.school As t
--OpenDataSource其他使用
Insert OpenDataSource(\'SQLNCLI\',\'Server=(local);Trusted_Connection=yes;\').TB.dbo.school(name) Values(\'ghjkl\') /*要不要Where都一样，插入一行*/
Update OpenDataSource(\'SQLNCLI\',\'Server=(local);Trusted_Connection=yes;\').TB.dbo.school Set name=\'kkkkkk\'
Delete From OpenDataSource(\'SQLNCLI\',\'Server=(local);Trusted_Connection=yes;\').TB.dbo.school Where id=1
--OpenQuery使用OLEDB的一些例子
Exec sp_addlinkedserver \'MyLinkServer\',\'\',\'SQLOLEDB\',\'(local)\'
Exec sp_addlinkedsrvlogin \'MyLinkServer\',\'false\',null,\'sa\',\'***\'
Select * From OpenQuery(MyLinkServer, \'Select * From TB.dbo.school\')
--OpenQuery使用SQLNCLI的一些例子
Exec sp_addlinkedserver \'MyLinkServerA\',\'\',\'SQLNCLI\',\'(local)\'
Exec sp_addlinkedsrvlogin \'MyLinkServerA\',\'false\',null,\'sa\',\'***\'
Select * From OpenQuery(MyLinkServerA,\'Select * From TB.dbo.school\')
--OpenQuery其他使用
Insert OpenQuery(MyLinkServerA,\'Select name From TB.dbo.school Where id=1\') Values(\'ghjkl\') /*要不要Where都一样，插入一行*/
Update OpenQuery(MyLinkServerA,\'Select name From TB.dbo.school Where id=1\') Set name=\'kkkkkk\'
Delete OpenQuery(MyLinkServerA,\'Select name From TB.dbo.school Where id=1\')