Last updated on NOVEMBER 28, 2016
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 11.1]
Information in this document applies to any platform.
***Checked for relevance on 26-Nov-2012***
On : 10.2.0.4 version, Internals Errors (ORA-600 & ORA-7445)
When attempting to run a SQL statement that includes rownum, the following error can occur if
the optimizer mode is switched from FIRST_ROWS to ALL_ROWS:
ORA-07445: exception encountered: core dump [qkabxo()+4] [SIGSEGV] [Address not mapped to object] [0x000000000]  
- Error: ORA-7445 [QKABXO+8]
- Current statement contains rownum.
- Stack trace: qkabxo <- qkanindex <- qkatab <- qkajoi <- qkaqkn
- Running release 10.2.0.4 or 126.96.36.199
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