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ORA-00600 [KTUUNREASONABLESCN] Is Reported When Inserting Into Global Temporary Table In A DG Environment (Doc ID 2263732.1)

Last updated on FEBRUARY 14, 2019

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle 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.


- Populating a global temporary table (GTT) in a DG environment can fail with:

ORA-00600: internal error code, arguments: [ktuUnReasonableScn], [3], [0], [192567753], [1436], [ktbgtl0], [4306], [], [], [], [], []

- The SQL leading to the issue is an insert statement on a GTT :

insert into <global_temporary_table> select f.tablespace_name, (f.bytes)/1048576 meg, (f.maxbytes)/1048576 maxmeg, f.file_name, f.file_id, ts.ts#, ts.blocksize, 0
from sys.ts$ ts, sys.dba_data_files f where ts.contents$ = 0 and f.tablespace_name = ;

- The call stack trace associated with this error looks like:





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