RE: Fav. Urban Legend...Quotable quotes

From: <Paul.Parker_at_bmwna.com>
Date: Thu, 14 Mar 2002 13:21:18 -0800
Message-ID: <F001.0042A072.20020314132118@fatcity.com>

This does make you wonder about the recently awarded Master's certification given by Oracle. (Not taking anything away from Jeremiah though)

Paul

-----Original Message-----
Sent: Thursday, March 14, 2002 3:20 PM
To: Multiple recipients of list ORACLE-L

"..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
  >
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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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Received on Thu Mar 14 2002 - 15:21:18 CST