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About Oracle Recovery

Posted by PDSERVICE on 3月 07, 2020 In

I want to recover our some oracle dbf and tried DUL5.1.

But something wrong.

log is nelow:

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PRM: Warning: scaned 10MB data, couldn't find file header for users.dbf

DB file version info:

File: users.dbf, db version: 0

File is not exist: mlkj

how about the db version? is the dbf header corrupted?

can you unload this datafile?

and would you like to try with this video ? https://www.youtube.com/watch?v=jOT6k-KF8Hg

db version is 9.

I tried the video.

but we lost SYSTEM01.DBF.

you can use non-dictionary mode , and specify the TS# and file# for that datafile .

scan was finished successfully.

but trees are DB_20190721191326 - lob segment

and lob segment is empty.

right click the DB_20190721191326 and select scan extent , then you may get some table.

I could get some table!!

but it is garbled.

and Can I get these data?

right click the table ,you can unload the data into file or data bridge them to another Oracle db.