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

Last updated on JULY 23, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database 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.
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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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Troubleshooting Steps

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