what is the bug? 
> 
> From: "Bellow, Bambi" <[EMAIL PROTECTED]>
> Date: 2003/10/20 Mon PM 02:04:26 EDT
> To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
> Subject: RE: RE: CBO, RBO and will v5 ever really go away?
> 
> Unfortunately, our applications fall into the second category.  And due to
> the complexity of the queries being run, attempting to turn on CBO also
> activates a bug for which Oracle has a fix in v10.1 but will not do a
> backport, and so, until we are ready to go to 10.1, we are stuck with RBO,
> and because we develop a commercial product in use by the general public,
> often in realtime situations (while people are driving their vehicles), our
> need for QA is extraordinarily high, and a change in underlying platform
> would trigger many many manmonths of labor.  In short, if we were to
> schedule an upgrade for business purposes on our time schedule, it would be
> one thing, but we do not want to be forced into an upgrade by external
> circumstance (read: Oracle bug).  So, RBO is for us at this juncture.
> 
> Bambi.
> -----Original Message-----
> Sent: Monday, October 20, 2003 12:44 PM
> To: Multiple recipients of list ORACLE-L
> 
> 
> generally speaking there are two groups of people using the RBO.
> 
> 1. The DBAs who have been around for 15 years and doesnt read release notes
> and doesnt feel the need to read release notes or documentation because he
> knows everything. He may have tried the CBO in 1995 and had 1-2 bad
> experiences.
> 
> 2. People who have to because they are using off the shelf cross platform
> applications. They are required to use the RBO or their support contract for
> these products will be invalidated. They are generally using the RBO for a
> combination of 3 reasons.
> 
> 1. They dont know what they are doing.
> 2. They have a 'layered complex view' model. that goes multi-levels deep,
> and has complex functions. They do this to make it easier to port to
> multiple types of databases and keep prices down. CBO doesnt work well in
> this condition.
> 3. They tuned for the RBO 10 years ago and do not want to spend the time or
> money tuning for the CBO because Oracle is just one of many databases that
> they port to. They are trying to keep costs down for small shops and have to
> really watch expenses. Most people who buy these applications dont have
> large budgets. 
> 
> 
> > 
> > From: "Stephane Paquette" <[EMAIL PROTECTED]>
> > Date: 2003/10/20 Mon PM 01:29:26 EDT
> > To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
> > Subject: RE: CBO, RBO and will v5 ever really go away?
> > 
> > 38 is my age, Mladen is 42
> > 
> > Stephane
> > 
> > -----Original Message-----
> > Bellow, Bambi
> > Sent: 20 octobre, 2003 13:04
> > To: Multiple recipients of list ORACLE-L
> > 
> > 
> > Let's do the time warp again!  2003-1961=42... But, I liked 1999 better...
> > just a jump to the left...
> > 
> > One thing about living in the past...
> > The rent sure is cheaper.
> > 
> > Bambi (feeling that 38 is a spry young thang)
> > -----Original Message-----
> > Sent: Monday, October 20, 2003 11:44 AM
> > To: Multiple recipients of list ORACLE-L
> > 
> > 
> > Is 38 that old ???
> > 
> > Stephane
> > 
> > -----Original Message-----
> > Mladen Gogala
> > Sent: 17 octobre, 2003 18:00
> > To: Multiple recipients of list ORACLE-L
> > 
> > 
> > Ah, another one who can claim experience. According to one of
> > the previous post it's a genuine gold mine these days. Being born
> > in the Jurassic (1961) has its advantages, but I have yet to find
> > them.
> > On 10/17/2003 05:29:31 PM, Stephane Paquette wrote:
> > > And also SQL*Loader will be rename to ODL (Oracle Data Loader)
> > >
> > > Stephane
> > >
> > > -----Original Message-----
> > > Mladen Gogala
> > > Sent: 17 octobre, 2003 17:19
> > > To: Multiple recipients of list ORACLE-L
> > >
> > >
> > > Bambi, Oracle 5.1.22 was an exceptionally stable version of oracle,
> > > with very few parameters (names were "TABLES","INDEXES" and alike)
> > > and, as such will forever be committed to our memory.
> > > Furthermore, RBO is used in the data dictionary, just like the
> > > datatype
> > > LONG which has also, allegedly, been desupported but someone forgot
> > > to
> > > tell that to developers. There are things from V5.1.22 that I'm
> > > missing
> > > even today. There used to be something called "rpf/rpt" which was a
> > > very good thing for writing quick command line reports without huge
> > > and
> > > buggy gooey interface. I started learning the only other language
> > > that
> > > has formats and page handling and is not COBOL when rpt/rpf was taken
> > > away in 7.1 (your guess is correct, it's perl). In short, Oracle 5
> > > will
> > > never go away. I here that in version 11, SQL*Plus will be renamed to
> > > UFI (= User Friendly Interface) and there will be tools for
> > > generating
> > > simple forms called IAP, IAG and IAD...
> > > On 10/17/2003 04:54:25 PM, "Bellow, Bambi" wrote:
> > > > Friends --
> > > >
> > > > I just got back from a week of benchmarking and one of the "issues"
> > > > that
> > > > came out of it was, due to some rather, um, interesting, coding
> > > > techniques,
> > > > running schema level statistics both wrecked performance *and*
> > > > produced
> > > > Oracle Bug 2954921. So we had to remove the statistics before
> > > running
> > > > additional tests.  Of course, RBO is being desupported soon, so we
> > > > really
> > > > ought to modify things.  But, this brings up another issue.  See,
> > > > Oracle
> > > > says, and here I am paraphrasing, of course, that...
> > > >
> > > > RBO is going to die.  We're not supporting it anymore.  Nope.  Once
> > > > you get
> > > > off of 9.2, that's it.  Finito.  Hasta la vista, Ba-bee.  Well, no,
> > > > it's not
> > > > really going away. YET.  It will still be behind the scenes for
> > > > awhile.  But
> > > > sooner or later, it's going to die.  You've been warned.  This
> > > isn't
> > > > going
> > > > to be like Forms2.3.  No.  We're serious this time.  We put in all
> > > > these
> > > > great features that y'all aren't using because your code is
> > > dependent
> > > > on RBO
> > > > and RBO can't use these features and that sucks because we really
> > > > like
> > > > these
> > > > features.  Now, we figure that a slim minority of people... maybe
> > > > 20%... are
> > > > still using RBO.  20%.  Barely noticeable.  (dinosaurs, grumble,
> > > > grumble)
> > > > Well, we're taking it away.  We're going to drag you into the new
> > > > millenium
> > > > and you're going to use CBO.  And you're going to like it.  We'll
> > > > leave RBO
> > > > in there for awhile, but one day you'll wake up and it will be
> > > gone.
> > > > Gone,
> > > > I tell you, GONE!  Just you wait.  5, 10 years from now, RBO will
> > > be
> > > > a
> > > > mere
> > > > a memory.  Just like Forms2.3.  Oh, and that "select * from tab;"
> > > > that
> > > > you're doing every once in awhile to see if it still works, you
> > > just
> > > > wait,
> > > > someday *someday* we're going to take *that* away too.  And you're
> > > > just
> > > > going to have to live with it.  HAhahahaha!
> > > >
> > > > So, what do you think?  Will v5 ever really go away?  And when will
> > > > RBO just
> > > > stop working?
> > > >
> > > > Bambi.
> > > > --
> > > > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > > > --
> > > > Author: Bellow, Bambi
> > > >   INET: [EMAIL PROTECTED]
> > > >
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> > > >
> > >
> > > Mladen Gogala
> > > Oracle DBA
> > >
> > >
> > >
> > > Note:
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> > > Any views expressed in this message are those of the individual
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> > >
> > > --
> > > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > > --
> > > Author: Mladen Gogala
> > >   INET: [EMAIL PROTECTED]
> > >
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> > > --
> > > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > > --
> > > Author: Stephane Paquette
> > >   INET: [EMAIL PROTECTED]
> > >
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> > >
> > 
> > Mladen Gogala
> > Oracle DBA
> > 
> > 
> > 
> > Note:
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> > you receive this message in error, please immediately delete it and all
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> the
> > sender.  You must not, directly or indirectly, use, disclose, distribute,
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> > right to monitor all e-mail communications through its networks.
> > Any views expressed in this message are those of the individual sender,
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> > 
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > --
> > Author: Mladen Gogala
> >   INET: [EMAIL PROTECTED]
> > 
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> > 
> > -- 
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > -- 
> > Author: Stephane Paquette
> >   INET: [EMAIL PROTECTED]
> > 
> > Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
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> > also send the HELP command for other information (like subscribing).
> > -- 
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > -- 
> > Author: Bellow, Bambi
> >   INET: [EMAIL PROTECTED]
> > 
> > Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
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> > also send the HELP command for other information (like subscribing).
> > -- 
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > -- 
> > Author: Stephane Paquette
> >   INET: [EMAIL PROTECTED]
> > 
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> > 
> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> -- 
> Author: <[EMAIL PROTECTED]
>   INET: [EMAIL PROTECTED]
> 
> Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
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> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> -- 
> Author: Bellow, Bambi
>   INET: [EMAIL PROTECTED]
> 
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