What are the real data files of an Oracle installation?

When I install an Oracle (XE) database then a lot of stuff is copied/setup:
*.exe, jdbc driver, service tools, scripts, config files,....
But which are the real data files (under WinXP)?
I mean the files where all the individual, personal table defintions, trigger code, inserted data records are stored?
As far as I heard these are only 9 files.
Is this true?
What, if I copy just these 9 files to another Oracle XE installation on another computer and replace the 9 files over there?
Is all the content available at the remote computer after restart?
Peter

user559463 wrote:
When I install an Oracle (XE) database then a lot of stuff is copied/setup:
*.exe, jdbc driver, service tools, scripts, config files,....
But which are the real data files (under WinXP)?
I mean the files where all the individual, personal table defintions, trigger code, inserted data records are stored?
As far as I heard these are only 9 files.
Is this true?
What, if I copy just these 9 files to another Oracle XE installation on another computer and replace the 9 files over there?No. Oracle is far more complex than that. The control file keeps info about the data files, including stuff like the last checkpoint scn, etc. If you just drop a new file on a different installation, even if the file has the same name and is in the same path, it won't match the info in the control file.
That's not to say there aren't ways to move a data file from one installation to another. But it is a lot more complex than simply dragging a file from one folder to another.
>
Is all the content available at the remote computer after restart?
Peter

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