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ORA 7445 [qsmmixFindIdxCandsByObjn()+184] (Doc ID 1480446.1)

Last updated on FEBRUARY 18, 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 Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


Getting following error in the alertlog

ORA-07445: exception encountered: core dump [qsmmixFindIdxCandsByObjn()+184]

with call stack similar to the following,

qsmmixIdxOnMVFixup <- qsmmixOptimizerGenI <- dxCand
        <- qsmmixOptimizerSetu <- pIdxCand <- kkoiqb <- pIdxCand <- kkooqb
         <- kkoqbc <- apakkoqb <- apaqbdDescendents <- apaqbdList <- apaqbdDescendents
          <- apaqbdList <- apaqbd <- kkqctCostTransfQB <- kkqctdrvSU <- kkqutruns
           <- kkqudrv <- kkqctdrvTD <- kkqdrv <- kkqctdrvIT <- apadrv




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