ORA-39142 “incompatible version”

Hi,

Many people might have seen this error “ORA-39142 incompatible version” while importing the datapump dump file generated from a higher version Database into a lower version Database.

Many people has suggested me to upgrade the target also to the source version and some said it’s not at all possible to import a higher version dump into a lower version Database.

Thanks to the datapump team @ Oracle. they’ve given an excellent option for the expdp command. that’s called ‘version‘.

below is the computability matrix for EXPDP.

    Data Pump dumpfile compatibility.

    Export              Use Export Data Pump parameter VERSION=...
      From                 if dumpfile needs to be imported into a
    Source                Target Database with compatibility level
  Database        (value of init.ora/spfile parameter COMPATIBLE):
      With
COMPATIBLE     9.2.0.x.0    10.1.0.x.0    10.2.0.x.0    11.1.0.x.0    11.2.0.x.0
---------- ------------- ------------- ------------- ------------- -------------
10.1.0.x.0   VERSION=9.2             -             -             -             -
---------- ------------- ------------- ------------- ------------- -------------
10.2.0.x.0   VERSION=9.2  VERSION=10.1             -             -             -
---------- ------------- ------------- ------------- ------------- -------------
11.1.0.x.0   VERSION=9.2  VERSION=10.1  VERSION=10.2             -             -
---------- ------------- ------------- ------------- ------------- -------------
11.2.0.x.0   VERSION=9.2  VERSION=10.1  VERSION=10.2  VERSION=11.1             -
---------- ------------- ------------- ------------- ------------- -------------

So what is not possible then?

Connection to the Database with higher RDBMS version through a client (IMPDP binary) of lower version. See below for the compatibility matrix of that

Data Pump client compatibility.
===============================

   expdp and  Connecting to Database version
impdp client     10gR1      10gR2      11gR1      11gR2
     version  10.1.0.x   10.2.0.x   11.1.0.x   11.2.0.x
----------- ---------- ---------- ---------- ----------
   10.1.0.x  supported  supported  supported  supported
   10.2.0.x         no  supported  supported  supported
   11.1.0.x         no         no  supported  supported
   11.2.0.x         no         no         no  supported

 

Hope this helps.

Regards,

CSM

 

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