Ofcourse they are all true ! ;;-)

Connor McDonald wrote:

> "..increasing the buffer hit ratio from 95 to 99
> percent can yield performance gains of over 400
> percent"
>
> "Retrieving data from memory is over 10000 times
> faster than retrieving it from disk"
>
> "A more efficient method is to have the database write
> to the redo logs only when all the log buffers are
> filled or when a commit is issued. This happens when
> log_checkpoint_interval is set to zero"
>
> "This allowed the O/S to dedicate a specific
> background process to moving the log buffers upon
> checkpoint to the redo files"
>
> "At times, specifying multiple hints can mysteriously
> cause the query to use none of the hints"
>
> "The INDEX_DESC hint causes indexes to be sorted in
> descending order...This index is overwritten when the
> query has multiple tables"
>
> Cheers
> Connor
>
>  --- "Freeman, Robert " <[EMAIL PROTECTED]>
> wrote: > Ok... one of my favorite Urban Legends is
> this one:
> >
> > The book is always right. In other words, if it's
> > written down
> > in a book we bought off of Amazon, it must be so.
> >
> > So, I'd like to ask, without anyone taking potshots
> > at
> > specific authors, what is the dumbest, silliest, or
> > most
> > technically incorrect thing you have ever seen in an
> >
> > Oracle book?
> >
> > RF
> >
> > Robert G. Freeman - Oracle8i OCP
> > Oracle DBA Technical Lead
> > CSX Midtier Database Administration
> >
> > The Cigarette Smoking Man: Anyone who can appease a
> > man's conscience can
> > take his freedom away from him.
> >
> >
> > --
> > Please see the official ORACLE-L FAQ:
> > http://www.orafaq.com
> > --
> > Author: Freeman, Robert
> >   INET: [EMAIL PROTECTED]
> >
> > Fat City Network Services    -- (858) 538-5051  FAX:
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>
> =====
> Connor McDonald
> http://www.oracledba.co.uk (mirrored at
> http://www.oradba.freeserve.co.uk)
>
> "Some days you're the pigeon, some days you're the statue"
>
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> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: =?iso-8859-1?q?Connor=20McDonald?=
>   INET: [EMAIL PROTECTED]
>
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-- 
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-- 
Author: Anjo Kolk
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