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External Table Using COLUMN TRANSFORMS Doesn't Work When Database Character Set Is Multibyte (AL32UTF8) (Doc ID 1359244.1)

Last updated on NOVEMBER 08, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

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You created an external table that uses the option COLUMN TRANSFORMS to load data from a flat file containing special characters. The select from external table doesn't show the special characters correctly. The database character set is multibyte (AL32UTF8), NLS_LANG environment variable is properly set.

Errors like:

ORA-29275: partial multibyte character

are also possible.

The next test case demonstrates this:


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