My Oracle Support Banner

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

Last updated on MARCH 01, 2019

Applies to:

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


NOTE: In the images and/or the document content below, the user information and data used represents fictitious data from the Oracle sample schema(s) or Public Documentation delivered with an Oracle database product. Any similarity to actual persons, living or dead, is purely coincidental and not intended in any manner.


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.




To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.