"Alter Table Enable Novalidate Foreign Key Constraint" Gets ORA-00054.
(Doc ID 1271688.1)
Last updated on JANUARY 30, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.1 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
After migrating from Oracle 10.2 to Oracle 11.2, a problem occurs when attempting to re-enable foreign keys on a table that was loaded.
On a fact table we disable the constraints, then load the table, then enable the constraints with the NOVALIDATE option.
Now it gets an ORA-00054 because "ENABLE NOVALIDATE constraint" needs a lock on the referenced tables (but these are currently locked by other load processes).
Changes
After upgrade from 10g to 11g
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |