When a client application executes a distributed query through a linked server, SQL Server parses the command and sends requests to OLE DB. The rowset request might be in the form of executing a query against th
如果是只导入表中的部分数据,比如需要条件限制则会稍微麻烦些,还要将[Query]在导入一次,再删除表[Query]。 链接服务器使用说明: --查看当前链接情况: select * from sys.servers; --使用 sp_helpserver 来显示可用的服务器 Exec sp_helpserver --删除已经存在的某个链接 Exec sp_droplinkedsrvlogin 服务器别名,...
By using delegation in distributed query, such as linked server query, the SQL instance obtains impersonated token of the user logon credential to gain access to resources of another SQL instance, the linked server. In delegation setting, the client connection and linked server object...
Affects Distributed Query execution against linked servers. If this option is set to true, SQL Server assumes that all characters in the linked server are compatible with the local server, with regard to character set and collation sequence (or sort order). This enables SQL Server to send compa...
The remote login must be a SQL Server Authentication login on the remote server. Optionally, to view or specify server options, click the Server Options page. Collation Compatible Affects Distributed Query execution against linked servers. If this option is set to true, SQL Server assumes that ...
SQL Server中使用openquery、openrowset、opendatasource叫做distributed query分布式查询 SQL Server支持分布式查询主要有2种方式,一种是上面讲到的Linked Server,另外一种叫做Ad Hoc方式,即使用openrowset或者opendatasource。Linked Server用于执行较频繁的情况,Ad Hoc方式用于执行频率不高的情况 ...
Microsoft SQL Server supports connections to other OLE DB data sources on a persistent or an ad hoc basis. The persistent connection is known as a linked server; an ad hoc connection that is made for the sake of a single query is known as a distributed query. ...
Microsoft SQL Server supports connections to other OLE DB data sources on a persistent or an ad hoc basis. The persistent connection is known as a linked server; an ad hoc connection that is made for the sake of a single query is known as a distributed query. ...
1 This way of setting up a linked server forces the name of the linked server to be the same as the network name of the remote instance of SQL Server. Use data_source to specify the server. 2 "Any" indicates that the product name can be anything. ...
[@server= ] N'server' The name of the linked server to create.@serverissysname, with no default. [@srvproduct= ] N'srvproduct' The product name of the OLE DB data source to add as a linked server.@srvproductisnvarchar(128), with a default ofNULL. If the value isSQL S...