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How to know the export dump belongs to normal export and datapump file

Hello,

Thanks to my colleague (Naga) for this information, We have got a question from another friend on how to find the export dump file whether its belongs to export (exp) or datapump export(expdp).

The question is "I am planning to import the dump to a new database but I am confused by seeing the dumpfile Whether it belong to "exp/expdp" "

If export is executed with exp command then how to find the the file which is executed with exp command

Well you can use the unix strings command to read the dump file

$ strings | more

you'll find some differences... for example a traditional export file could start like this

[oracle]$ strings one.dmp | more
EXPORT:V10.02.01
DDBABATCH
RENTIRE
1024

If export is executed with expdp command then how to find the the file is executed with expdp command

expdp filename=one.dmp owner=scott
exp file : expdp DUMPFILE=one.dmp DIRECTORY=dmpdir SCHEMAS=scott
[oracle]$ strings one.dmp | more
!(~* ---> expdp
"DBABATCH"."SYS_EXPORT_FULL_01"
SVR4-be-64bit-8.1.0
AL32UTF8

Hope this helps
-Naga

February 6th, 2013 | Tags: | Category: Administration

5 comments to How to know the export dump belongs to normal export and datapump file

  • vijay
    February 7, 2013 at 11:13 am

    Hi,

    If the expdp string is in first few lines of the dump,then the simple command using strings and more may not create confusion for us.
    If the expdp string is far away,may be will grep for it’s occurance ,like:
    strings two.dmp | grep -i expdp

    • Geek DBA
      February 7, 2013 at 10:04 pm

      Yes, but for expdp it wont show the expdp, instead a binary(junk) characters will show, hence we cannot grep.

      Carefully look at output above for two dumps. One show junk (I have marked —> expdp for your good read, that is not the exact output)

      -Thanks

  • seshu
    February 8, 2013 at 6:56 pm

    Hi Geek DBA,

    Thank you for this artical, could you please post artical on ORA-7445 error.

    Thanks

    • Geek DBA
      February 8, 2013 at 8:04 pm

      Hello Seshu,

      ORA-7445 is generic error, but the first argument with this letter matters when it comes to troubleshooting.

      In general, ora-7445 and ora-600 errors are internal errors related to specific internal issue and each of the component represents the first argument or related issue.

      Quick search in master note for ora-7445 ora-600 will give you many notes inside it.

      -Thanks
      Geek DBA

  • harsha
    June 13, 2013 at 12:46 pm

    How to recognise in windows environment??