ORA-00060 Deadlock Due to Missing Indexes on Foreign Key Constraints Occurs in Oracle 11g R2 But Not in 10g
Last updated on SEPTEMBER 19, 2016
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Information in this document applies to any platform.
- ORA-00060 Deadlock occurs on 11g, but not in 10g/9i.
- Involved tables have foreign key constraints that are unindexed.
- Example scenario:
Session 1: insert into table1 (no commit)
Session 2: update table2 (table2 has a foreign key column reference to table1)
Result: In 11g Session1 blocks Session2 but in 9i/10g this does not occur.
Database was upgraded to 11g
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
Million Knowledge Articles and hundreds of Community platforms