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Data Model Installation Fails With ORA-00957: duplicate column name (Doc ID 2496929.1)

Last updated on MAY 27, 2019

Applies to:

Oracle Health Sciences Data Management Workbench - Version 2.4.8.1 and later
Information in this document applies to any platform.

Symptoms

Installation of a Data Model fails with an error message ORA-00957: duplicate column name.

Changes

User made changes to the columns of a Data Model Table.

User renamed one of the columns of the Data Model Table and added back the same column with different attributes.

In Table TAB column COL was renamed to COL_OLD and column COL added back to the table.

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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