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What is linked server and how we configure it?

Contents
  1. What is a link server?
  2. How do I enable a linked server?
  3. How do I add a server to my linked in server?
  4. When would you use a linked server?
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. 15 нояб. 2021 г.


Linked Servers are a method by which a SQL Server can talk to another ODBC compliant database, such as another SQL Server instance or an Oracle database, with a direct T-SQL query. There are several important settings to know when setting up a Linked Server.

How do I enable a linked server?

Open the New Linked Server dialog1Open Object Explorer.2Expand Server Objects.3Right-click Linked Servers.4Select New Linked Server.

How do I add a server to my linked in server?

Open SQL Server Management Studio, enter the name of your local SQL Server, and then select Connect. Expand Server Objects, right-click Linked Servers, and then select New Linked Server. To see Server Objects, connect to a local on-premises SQL Server. Then, Server Objects should be displayed.

When would you use a linked server?

A linked server is used to connect to another (remote) database or file (Xls, CVX) using SQL Server Management Studio (SSMS) and discover the data or objects. You can write SQL queries from your SSMS directly on a database on another machine. In Oracle they call it DBLinks (Database Links).

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