DG4ODBC and FreeTDS ODBC Driver Gives Error: Data Source Name Not Found, And No Default Driver Specified (Doc ID 1289422.1)

Last updated on JANUARY 18, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.
***Checked for relevance on 04-Feb-2013***
***Checked for relevance on 25-Sep-2014***

Symptoms


It is not possible to connect to SQL*Server via DG4ODBC 11.2 using the FreeTDS ODBC driver.

An error occurs:

SQL> select * from dbo.tbl_agenda@test;
select * from dbo.tbl_agenda@test
              *
ERROR at line 1:
ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
[unixODBC][Driver Manager]Data source name not found, and no default driver
specified {IM002}
ORA-02063: preceding 2 lines from TEST

Cause

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