Oracle Metalink !!top!!

1622899.1 Title: Why A DELETE Statement Can Suddenly Fail With ORA-02292 Even When No Child Records Exist (The "Wrap Around" Phenomenon) Type: BUG Severity: 2 - Severe Created Date: 14-Oct-2015 Last Updated: 22-Mar-2024

: Notified administrators of critical security vulnerabilities or bugs affecting specific versions, such as Oracle Database 10g or 11g. oracle metalink

It provided specialized diagnostic tools and health check scripts, such as Oracle ORAchk for manual system verification. The Transition to My Oracle Support (MOS) 1622899

It proves that Oracle does not always check the Foreign Key by querying the index. Sometimes, it checks the physical block attributes. If the block metadata is "dirty" (in a specific way), the logic fails. oracle metalink

Understanding Oracle MetaLink: The Foundation of Modern Oracle Support