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Error: "Oracle database error 12504..." When Connecting to Oracle Database

Julkaisupäivä: Feb 19, 2026
Kuvaus
When attempting to connect to an Oracle database, the following error message occurs:

"Oracle database error 12504: ORA-12504: TNS:listener was not given the SERVICE_NAME in CONNECT_DATA"

Cause

The "Service" and "Port" values are not being specified in the Oracle connection dialogue menu. As a result, Tableau Desktop is unable to access the database because of a lack of information.
Ratkaisu
Specify the service and port number in the Oracle connection menu. If these values are unknown, contact your Oracle Database Administrator for this additional information. 
Lisäresurssit

Knowledge-artikkelin numero

001473494

 
Ladataan
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