SQL Server: how create a linked server to Oracle

The steps to create a new linked server to access Oracle data from SQL Server are:

  1. install the Oracle client drivers on the SQL Server machine;
  2. install the Oracle client ODAC (Oracle Data Access Components);
  3. in the linked server providers, configure the OraOLEDB.Oracle provider to allow Inprocess.

Now you can choose:

Finally: you have to configure the security, i.e. the login used to access the Oracle server.

About the two final steps: you can use the SQL Server Management Studio (as described in the first link) or via stored procedures (as in the second link).

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