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What is a Linked Server?
Posted By :
Posted Date :
December 24, 2009
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.
You can also find related Interview Question to
What is a Linked Server?
What do you need to specify to create a linked server?
OLE DB Data Source
When do you need to specify an external data source by using a linked server?
When you need to access a different instance.
Which stored procedure will you be running to add a linked server? -
Which stored procedure will you be running to add a linked server?
What is 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. 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.
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.
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
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.
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
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.
There are 2 types of Database Concurrency
Pessimistic: When one user try to change the data with pessimistic concurrency then a lock is placed on the data in a table so that another user cannot change data. when one user finishes then other user can able to change.
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.
Is it true that COM objects no longer need to be registered on the server?
Yes and No. Legacy COM objects still need to be registered on the server before they can be used. COM developed using the new .NET Framework will not need to be registered. Developers will be able to auto-register these objects just by placing them in the 'bin' folder of the application.
What are server controls?
ASP.NET server controls are components that run on the server and encapsulate user-interface and other related functionality. They are used in ASP.NET pages and in ASP.NET code-behind classes.
Which index option causes SQL Server to create an index with empty space on
the leaf level of the index?
Which authentication mode lets you use both SQL Server logins and Windows logins?
Mixed Mode authentication mode lets you use both SQL Server logins and Windows logins?
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