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ORA-00979 After Upgrade to 12C (Doc ID 2015599.1)

Last updated on JANUARY 30, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud 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
Information in this document applies to any platform.


ORA-00979 error reported in query with nested sub queries, after upgrading to 12c. 

When running a query without hint /*+ materialize */ fails, but when running the same query with hint /*+ materialize */ works . Both queries worked on 11G.

Function Call stack shows:

qecgoc <- qecsel <- qecpqbcheck <- qecdrv <- kkqctdrvIT <- apadrv <- opitca
 <- kksFullTypeCheck <- rpiswu2 <- kksLoadChild <- kxsGetRuntimeLock <- ksfbc
<- kkspsc0 <- kksParseCursor <- opiosq0 <- kpoal8 <- opiodr <- ttcpip <- opitsk <- opiino <- opiodr <- opidrv <- sou2o <- opimai_real <- ssthrdmain <- main <-libc_start_main <- start




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