ORA-07445 [kghalf] When Creating Table AS SELECT
(Doc ID 1050912.1)
Last updated on FEBRUARY 19, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 to 18.104.22.168 [Release 10.2 to 11.1]
Oracle Database Cloud Schema 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
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
When attempting to CREATE TABLE <Table Name> ... AS SELECT ... the following error occurs.
ORA-07445: exception encountered: core dump [kghalf()+946] [ACCESS_VIOLATION][ADDR:0x6700E04] [PC:0x781900E] [UNABLE_TO_WRITE] 
The 'Call Stack' will likely contain the functions KKSALX and various LXR* functions.
*If these functions are not present the article can still be considered but might not be applicable.
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