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How to Troubleshoot ORA-30926 Errors? (Doc ID 471956.1)

Last updated on AUGUST 13, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 8.1.7.4 to 11.2.0.4 [Release 8.1.7 to 11.2]
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 Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


Purpose

ORA-30926 can occur when a SQL statement is executed, and the reason may not always be apparent.

This note is to help you identify the cause.

The official description of this error is [<Note 96858.1>]:

ORA-30926 (formerly ORA-600 [13012])
Error: ORA-30926
Text: Unable to get a stable set of rows in the source tables.
--------------------------------------------------------------------
Cause: A stable set of rows could not be got because of large DML activity or a non-deterministic where clause.
Action: Remove any non-deterministic where clauses and reissue the DML.

(This error occurs with the Cost based Optimizer but not with RULE.)

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
References

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