Re: what is meant by dirty buffers

Yeah, Oracle always has at least two names for the same thing. Dirty = Modified.

Alexandre Gorbatchev wrote:

>This buffers are changed by Oracle in memory only (in cache), so they are
>different from the blocks on disk Therefore, they must be written to disk,
>after which they are not dirty any more. That's how oracle makes changes to
>speed up the process - everything is done in memory first, then written to
>disk.
>
>Alexandre
>----- Original Message -----
>To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
>Sent: Monday, May 13, 2002 1:43 PM
>
>
>>Hi,
>>
>>In a book I read that DBWO writes dirty data buffers from data buffer
>>
>cache
>
>>to the data files. I would appreciate if someone could kindly clear my
>>confusion.
>>
>>What is meant by dirty data buffers? If these are dirty (not good/healthy)
>>why to write to these to data files?
>>
>>TIA!
>>
>>Aleem
>>
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>

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