How to make a corrupted block?

Hi all,
Is there any method to make a block corrupted in Oracle (for Windows)?
My target is to test detecting and repairing corrupted blocks tools in Oracle.
Thanks in advance,
Ahmed B.

Its not a great practice to do and oracle doesn't recommend such act. However, Oracle Support they have some internal utility for such, I dont know whether it is available to public or not. Search at metalink.
Jaffar
I just reaclled, there is a utility called 'bbed' which comes with oracle.
However in UNIX you can use the dd command to corrupt a few blocks.Something like
dd ibs=db_block_Size skip=n count=n if=/dev/null of=full_path_name_of_file_to_corrupt
You can use the freeware hexedit to simulate block corruption in Windows.
My sincere request is that dont do this with your production db. Use it very caciously.
Message was edited by:
The Human Fly

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