ORA-910 Selecting Informix Character Columns Greater Than Length 667 Using 11g Database Gateway And An Oracle Unicode Database (Doc ID 734164.1)

Last updated on JANUARY 19, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]
Oracle Database Gateway for Informix - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]
Generic Windows
***Checked for relevance on 22-Nov-2010***


Symptoms

Using Database Gateway for Informix (DG4IFMX)  or Database Gateway for ODBC (DG4ODBC) on Windows gives the erorr -

ORA-910 - specified length too long for its datatype

for the following circumstances -
- column defined as CHAR or VARCHAR longer than 666 character - eg varchar(1000) on Informix
- data in a row is 667 or greater characters
- the Oracle database is a Unicode database


Rows that are 666 or less in length can be selected successfully.

Cause

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