March 08, 2008

How to set up your database for Distributed queries




SQL Server 2005 provides you with the sp_addlinkedserver procedure. This proc creates a linked server to fire distributed queries against OLE DB data sources.

Let us see how to create a linked server against different data sources

Link to SQL Server 2005

EXEC sp_addlinkedserver
@server='FirstLS',
@srvproduct='SQL Server',
@provider='SQLNCLI',
@datasrc='servername\instance'

where @server is the name of the linked server; @srvproduct is the OLEDB Data Source to add (can be kept blank for SQL Server); @provider is the OLE DB provider that corresponds to the data source; @datasrc is the data source

Link to Access

EXEC sp_addlinkedserver
@server = 'SecondLS',
@provider = 'Microsoft.Jet.OLEDB.4.0',
@srvproduct = 'Access 2003',
@datasrc = 'C:\Data\MyData.mdb

Link to Excel

EXEC sp_addlinkedserver 'ThirdLS', 'Excel', 'Microsoft.Jet.OLEDB.4.0', 'c:\Data\MySheet.xls', NULL, 'Excel 5.0

Link to Oracle

EXEC sp_addlinkedserver
@server = 'FourthLS',
@srvproduct = 'Oracle',
@provider = 'MSDAORA',
@datasrc = 'Server1'


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Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

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comments

2 Responses to "How to set up your database for Distributed queries"
  1. Kieran M said...
    March 17, 2008 at 12:53 PM

    looks great but I've been trying to create a linked server to an Informix 9 db and keep getting errors when trying to brow the schema. Any hints?

  2. zakaria said...
    November 10, 2008 at 3:45 AM

    How to set up my database for distributed database ?

 

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