Daniel Fink wrote:
> 
> When retrieving data, does Oracle place just the columns of
> interest into the result set or does it place the entire row in
> the result set (and filter out the columns of interest later)?
> 

I'd say just the columns of interest. Can be checked by looking at the
number of buffer gets on a table with some noticeable chaining,
comparing select * to select pkcol.

-- 
Regards,

Stephane Faroult
Oriole Software
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Author: Stephane Faroult
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