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Incorrect and Ambiguous Alias when Using a Mix of Lower Case and Upper Case Results in ODI 12c Execution Error "ORA-00918: column ambiguously defined" (Doc ID 2907807.1)

Last updated on NOVEMBER 09, 2022

Applies to:

Oracle Data Integrator - Version and later
Oracle Data Integrator on Marketplace - Version and later
Information in this document applies to any platform.


Using Oracle Data Integrator (ODI), in more complex mappings the generated code may have two column aliases with the same name but for two different data stores.

This issue can occur when using reusable mappings (RU), but also using more complex mappings in general. The ambiguous code will cause errors at execution, ie:





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