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Masking Job Fails with 'ORA-00918: Column Ambiguously Defined' using Shuffle Format (Doc ID 2275315.1)

Last updated on FEBRUARY 03, 2019

Applies to:

Oracle Data Masking and Subsetting - Version and later
Information in this document applies to any platform.


Masking a column HR.PERSONAL.ADDRESS with Shuffle format, Grouping Columns set as ADDRESS.
Masking job execution failed with ORA-00918: column ambiguously defined.

1) Create a masking definition, selected HR.PERSONAL.ADDRESS column.
2) Define format for the columns, choose "Shuffle" Format type and
in the Grouping columns select ADDRESS.


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