Query = Error in the Alert Log: ORA-7445[PC:0x0]
(Doc ID 1644281.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168 [Release 11.2]
Information in this document applies to any platform.
A large/complex query (SELECT) results in the following error in the alert log:
ORA-07445: exception encountered: core dump [PC:0x0] [SIGSEGV] [ADDR:0x0] [PC:0x0] [Address not mapped to object] 
The Call Stack Trace in the associated incident trace file shows:
skdstdst -> ksedst1 -> ksedst -> dbkedDefDump -> ksedmp -> ssexhd -> __sighandler -> 0000000000000000
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