Re: Fav. Urban Legend...Quotable quotes

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 " <Robert_Freeman_at_csx.com>
> 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: Robert_Freeman_at_csx.com
> >
> > Fat City Network Services -- (858) 538-5051 FAX:
> > (858) 538-5051
> > San Diego, California -- Public Internet
> > access / Mailing Lists
> >
> --------------------------------------------------------------------
> > To REMOVE yourself from this mailing list, send an
> > E-Mail message
> > to: ListGuru_at_fatcity.com (note EXACT spelling of
> > 'ListGuru') and in
> > the message BODY, include a line containing: UNSUB
> > ORACLE-L
> > (or the name of mailing list you want to be removed
> > from). You may
> > also send the HELP command for other information
> > (like subscribing).
>
> =====
> 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"
>
> __________________________________________________
> Do You Yahoo!?
> Everything you'll ever need on one web page
> from News and Sport to Email and Music Charts
> http://uk.my.yahoo.com
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: =?iso-8859-1?q?Connor=20McDonald?=
> INET: hamcdc_at_yahoo.co.uk
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Anjo Kolk
  INET: anjo_at_oraperf.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).