the user has been created even after the deletion of system.dbf

Hello

I am newbie in Oracle Dba, I'm practicing back and recovery. I have a question, even if I deleted system.dbf I am able to create the user. Why is it so? I'll have these files together in oradata

SYSAUX.dbf test_ts.dbf temp01.dbf undotbs1.dbf

Please can someone answer my question

Thank you
Bala

Bala,

Its always a needs to display the operating system and your version of the database when you post a question given that things are very different from one version to the other and o/s to o/s. My guess is that you are on a certain operating system to nix a sort of . If so, what you see is completely normal. In the case of nix operating system, the process that opened the file, don't close until he himself is not closed. So even if you deleted the file, for the process of the Oracle, the file is still open and is available. If you would like to restart your db, the Oracle process would free up the inode of the file and that you would hit the file not found error.

HTH
Aman...

Tags: Database

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