1.     Oracle Database Error 904

Hello,

While I am trying to perform an admittedly complex SQL query in opposition to EDW with the Tableau Oracle data connection, I got an Oracle Database Error 904: Invalid Identifier.

It doesn’t provide any more information than that.  Perhaps this has something to do with that what types of functions or syntax Tableau doesn’t support for custom SQL queries? There are separate CASE functions and I am in doubt that these created the problem. Suggestions would be appreciated.  Thanks a lot.

Hello,

I'm using an Oracle database.  When I try to carry export a database, I face an error message:

EXP-00056 ORACLE error 12154 encountered
ORA-12154: TNS could not resolve the connect identifier specified

My attempt to access the database is successful and also the TNS is perfect.  I need a solution. Thanks.

Hello,

This is the error message on Tableau data connection:

Oracle database error 16224: ORA-16224:Database Guard is enabled.

The error took place just after clicking Connect (Step 3: establish connection).  My environments:

• Tableau Desktop 6.1.3
• Oracle driver for Desktop 6.1 (downloaded from tableausoftware.com site)

The Oracle database is a reflection database which is using Oracle Data Guard.  Using SQLPlus and Toad, the database connection is successful and queries run without problems. But the problem occurs while trying to connect with Tableau. The Oracle DB version is 10.2.0.1.

Can anyone here help me please?

Thanks.

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