ORA-600  [hash aggregation can't be done]
(Doc ID 729447.1)
Last updated on APRIL 06, 2020
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 to 18.104.22.168 [Release 10.2 to 11.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud 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
Information in this document applies to any platform.
***Checked for relevance on 17-Nov-2011***
When running a statement that involves a GROUP BY operation, the following error is raised:
A second case where this would occur could be with a failing query that has no GROUP BY, but has a Select Distinct. The Plan table indicates a HASH UNIQUE instead of HASH GROUP BY.
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