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What is Linked Server?

Posted By :Dhivakaran     Posted Date :October 19, 2010    Points :10   Category :Sql Server 
Linked Servers is a concept in SQL Server by which we can add other SQL Server to a Group and query both the SQL Server dbs using T-SQL Statements. With a linked server, you can create very clean, easy to follow, SQL statements that allow remote data to be retrieved, joined and combined with local data. Stored Procedure sp_addlinkedserver, sp_addlinkedsrvlogin will be used add new Linked Server.

You can also find related Interview Question to What is Linked Server?  below: 

What is a Linked Server?

  
Linked Servers is a concept in SQL Server by which we can add other SQL Server to a Group and query both the SQL Server dbs using T-SQL Statements. (More...)

What is the purpose of Linked Server Configuration in Sql Server?

  
It enabled us to query remote database servers of different providers.

Thus we can copy or select table data between multiple servers. (More...)

what is Linked server in sql?

  
Linked server is a concept of adding other remote server to a group to query DB's of both servers together (More...)

Define linked server?

  
It is a concept that allow us to add other sql server to a group and can query both using sql statements. (More...)

Can SQL linked server can be use to link oracle?

  
Yes, Oracle has oledb provider for oracle provided by Microsoft that can be used to link it to SQL server group (More...)

Database Concurrency in Sql Server.

  
When two or more user try to update same type of data in a table then Database Concurrency helps in this situation.

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Optimistic: When two user works on the same data in a table and one change that data first then second user cannot change that same data becasue the which he have using is allready changed so he cannot do the change becasue change apply to another data that is changed by first user. (More...)

Is it true that COM objects no longer need to be registered on the server?

  
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Which authentication mode lets you use both SQL Server logins and Windows logins?

  
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