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How to set up a linked server to an Oracle Server?
Restart the computer that is running SQL Server after you install the Oracle client software. On the computer that is running SQL Server, set up a linked server by using the following script. If you use Microsoft ODBC Driver for Oracle, you can use the @datasrc parameter to specify a DSN name.
How to register Microsoft OLE DB for Oracle?
Use RegSvr32.exe to register Microsoft OLE DB Provider for Oracle. If you use a third-party Oracle provider, and your Oracle provider cannot run outside a SQL Server process, enable it to run in-process by changing the provider options.
Can a third party Oracle run outside a SQL Server process?
If you use a third-party Oracle provider, and your Oracle provider cannot run outside a SQL Server process, enable it to run in-process by changing the provider options. To change the provider options, use one of the following methods.
How to troubleshoot a linked server to an OLE DB?
Error 7313: An invalid schema or catalog was specified for the provider “%ls” for linked server “%ls”. Error 7314: The OLE DB provider “%ls” for linked server “%ls” does not contain the table “%ls”. The table either does not exist or the current user does not have permissions on that table.
How to improve the performance of a linked server?
CPU time = 1094 ms, elapsed time = 2111 ms. with Openquery, the evaluation of the query and part of the query processing “of where clause or top rows for example” will be on the remote server, put in consideration also the load on both servers and which one of them is the production and which one of them has more valuable resources.
Are there any linked server cases for Oracle?
Jan 15 2019 04:44 PM I have had more Linked Server cases that are setup for an Oracle database than any other non-SQL Server database in SQL. Being in Business Intelligence Support we deal with plenty of connectivity issues and this is one topic of connectivity that does not get touched on a lot.
How to install Oracle provider for OLE DB?
Then rename the entire file including the extension to Test.udl and press OK. Once you go to the Provider tab at the top left you should see something like “Oracle Provider for OLE DB” listed. Now once you have confirmed you have installed the provider, search for the tnsnames.ora file on the SQL Server.