No Column Names When Using DESC or SELECT To MYSQL Via DG4ODBC

(Doc ID 974335.1)

Last updated on JANUARY 19, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.4 [Release 11.1 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 26-Aug-2014***

Symptoms

SELECT or DESCRIBE via DG4ODBC 11g and MYSQL ODBC driver (V05.01.0005) does not retrieve the column names:
SQL> desc dw_elec_meter_reading@sigmadb;
Name                                             Null?                  Type
---------------------------------- -------- ----------------------------

DATE
NUMBER(20)
VARCHAR2(30)NOT NULL VARCHAR2(1)

In 11.2 version of gateway, same SELECT statement may generate the error ORA-3113 end-of-file on communication channel  and in alert.log ORA-7445 occurs:

 

Cause

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