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Oracle Tutorials - Verify Oracle TNS Settings

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How To Verify Oracle TNS Settings?

If you have installed an Oracle server or an Oracle client tool on your local system, the TNS is automatically installed with a simple configuration file, tnsnames.ora, to define Oracle connect identifiers.

For example, if you have Oracle XE server installed, you will have the tnsnames.ora located at \oraclexe\app\oracle\product\10.2.0\server\NETWORK\ADMIN. It should contain a connect identifier called XE defined as:

XE =
  (DESCRIPTION =
    (ADDRESS = 
      (PROTOCOL = TCP)(HOST = localhost)
      (PORT = 1521)
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = XE)
    )
  )

See other tutorials for more details.

(Continued on next topic...)

  1. What Is Open Database Communication (ODBC)?
  2. How To Install Oracle ODBC Drivers?
  3. How To Find Out What Oracle ODBC Drivers Are Installed?
  4. How Can Windows Applications Connect to Oracle Servers?
  5. How To Create Tables for ODBC Connection Testing?
  6. How To Verify Oracle TNS Settings?
  7. How To Define a Data Source Name (DSN) in ODBC Manager?
  8. How To Connect MS Access to Oracle Servers?
  9. How To Connect ASP Pages to Oracle Servers?

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