SQL Server 链接服务器(Linked Servers) 通过T-SQL 语句来添加、删除或修改链接服务器配置 进行跨数据库、跨实例或甚至跨数据库系统的数据集成和查询 SELECT * FROM sysservers 可以查出当前 SQL Server 实例上配置的所有链接服务器的列表及其相关信息 示例使用 Transact-SQL 创建与其他 SQL Server 实例的链接服务器 ...
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,Null Exec sp_dropserver 服务器别名 --使用sp_addlinkedserver来增加链接 EXEC sp_addlinkedserver @server='192.168.2.66',--被访问的服务器别名(习...
LINKEDSERVERS 資料列集會列舉可以參與 SQL Server 分散式查詢的組織資料來源。 LINKEDSERVERS 資料列集包含下列資料行。 展開表格 資料行名稱類型指標描述 SVR_NAME DBTYPE_WSTR 連結伺服器的名稱。 SVR_PRODUCT DBTYPE_WSTR 製造商或是識別由連結伺服器名稱表示之資料存放區類型的其他名稱。 SVR_PROVIDERNAME DBTYP...
Linked servers enable the SQL Server Database Engine and Azure SQL Managed Instance to read data from the remote data sources and execute commands against the remote database servers (for example, OLE DB data sources) outside of the instance of SQL Server. Typically linked servers are ...
Linked servers enable the SQL Server Database Engine and Azure SQL Managed Instance to read data from the remote data sources and execute commands against the remote database servers (for example, OLE DB data sources) outside of the instance of SQL Server. Typically linked servers are configured...
Linked Servers in Microsoft SQL Server If you require the ability to relate Historian data with other data in SQL Server tables such as batch events, iFIX alarms and events, iDownTime™ data, and any other information that is available in a relational database, you can use the Historian ...
This topic provides reference information about linked servers in SQL Server and their equivalent functionality in PostgreSQL. You can understand how linked servers enable SQL Server to connect to external data sources, allowing for distributed queries and data access...
Returns the list of linked servers defined in the local server. Transact-SQL syntax conventions Syntax syntaxsqlCopy sp_linkedservers[ ; ] Arguments None. Return code values 0(success) or a nonzero number (failure). Result set Column nameData typeDescription ...
s.LinkedServers.Add ls s.Close End Sub 查询Excel 链接服务器 将Excel 数据源配置为链接服务器之后,您可以方便地通过“查询分析器”或其他客户端应用程序查询其数据。例如,为了检索存储在 Excel 文件 Sheet1 中的数据行,以下代码使用了您使用 SQL-DMO 配置的链接服务器: ...
To create a linked server to another instance of SQL Server Using SQL Server Management Studio In SQL Server Management Studio, open Object Explorer, expand Server Objects, right-click Linked Servers, and then click New Linked Server. On the General page, in the Linked server box, type the ...