How to Diagnose ORA-01436 While Refreshing a Refresh Group
(Doc ID 793843.1)
Last updated on NOVEMBER 07, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 9.2.0.6 and laterOracle 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.
Goal
How to find the cause and try to eliminate the error ORA-01436 'CONNECT BY loop in user data' during the refresh of a Materialized View Refresh Group.
Solution
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In this Document
| Goal |
| Solution |
| Step 1: Determine the SQL that is failing: |
| Step 2: Identify the rows in the result set that cause the error: |
| Step 3: Investigate the materialized view objects involved in the circular reference: |