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Eliminating Combinatorial Relationship Multiplication

This is a discussion on Eliminating Combinatorial Relationship Multiplication within the Oracle Database forums, part of the Database Server Software category; --> Marshall Spight wrote: > "Daniel Morgan" <damorgan@x.washington.edu> wrote in message news:1088831855.922891@yasure... > >>Joe ... sorry ... but integrity demands ...


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  #11 (permalink)  
Old 02-24-2008, 05:37 AM
Daniel Morgan
 
Posts: n/a
Default Re: Eliminating Combinatorial Relationship Multiplication

Marshall Spight wrote:

> "Daniel Morgan" <damorgan@x.washington.edu> wrote in message news:1088831855.922891@yasure...
>
>>Joe ... sorry ... but integrity demands that I write the following:
>>
>>We have a usenet group named comp.databases.oracle.marketplace
>>specifically designated for promotions. In the future it would be
>>appreciated if you posted book, or any other, promotions there.

>
>
> Uh, so a guy posts two lines with a link where you can buy his
> book, and 100 lines of helping someone out with his question,
> and you bust his balls for "promotions?" You also assume
> that because the original poster included an oracle newsgroup
> in one of the four newsgroups he posted to, that everyone responding
> on any of those newsgroups should somehow know your local
> culture and customs and adhere to them?
>
> You have a funny idea of integrity.
>
>
> Marshall


I don't show favoritism when it come to calling spam spam. Even when it
is someone as esteemed as Joe Celko.

But exactly what is it you have contributed to c.d.o.server?

--
Daniel Morgan
http://www.outreach.washington.edu/e...ad/oad_crs.asp
http://www.outreach.washington.edu/e...oa/aoa_crs.asp
damorgan@x.washington.edu
(replace 'x' with a 'u' to reply)

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  #12 (permalink)  
Old 02-24-2008, 05:37 AM
Sybrand Bakker
 
Posts: n/a
Default Re: Eliminating Combinatorial Relationship Multiplication

On Sat, 03 Jul 2004 17:54:42 GMT, "Marshall Spight" <mspight@dnai.com>
wrote:

>"Daniel Morgan" <damorgan@x.washington.edu> wrote in message news:1088831855.922891@yasure...
>>
>> Joe ... sorry ... but integrity demands that I write the following:
>>
>> We have a usenet group named comp.databases.oracle.marketplace
>> specifically designated for promotions. In the future it would be
>> appreciated if you posted book, or any other, promotions there.

>
>Uh, so a guy posts two lines with a link where you can buy his
>book, and 100 lines of helping someone out with his question,
>and you bust his balls for "promotions?" You also assume
>that because the original poster included an oracle newsgroup
>in one of the four newsgroups he posted to, that everyone responding
>on any of those newsgroups should somehow know your local
>culture and customs and adhere to them?
>
>You have a funny idea of integrity.
>
>
>Marshall
>


The 'local customs' you mention are also known as 'the charter'
Apparently you are not interested in adhering to the charter.
Most regular responders here won't agree with your ideas on what is
acceptable and what is not.
There is in your case also the legitimate question by what authority
you think you make this comments. You have never contributed anything
to this group.

--
Sybrand Bakker, Senior Oracle DBA
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  #13 (permalink)  
Old 02-24-2008, 05:37 AM
Gene Wirchenko
 
Posts: n/a
Default Re: Eliminating Combinatorial Relationship Multiplication

Daniel Morgan <damorgan@x.washington.edu> wrote:

>Marshall Spight wrote:
>
>> "Daniel Morgan" <damorgan@x.washington.edu> wrote in message news:1088831855.922891@yasure...
>>
>>>Joe ... sorry ... but integrity demands that I write the following:
>>>
>>>We have a usenet group named comp.databases.oracle.marketplace
>>>specifically designated for promotions. In the future it would be
>>>appreciated if you posted book, or any other, promotions there.


>> Uh, so a guy posts two lines with a link where you can buy his
>> book, and 100 lines of helping someone out with his question,
>> and you bust his balls for "promotions?" You also assume
>> that because the original poster included an oracle newsgroup
>> in one of the four newsgroups he posted to, that everyone responding
>> on any of those newsgroups should somehow know your local
>> culture and customs and adhere to them?
>>
>> You have a funny idea of integrity.


>I don't show favoritism when it come to calling spam spam. Even when it
>is someone as esteemed as Joe Celko.


What spam? OP asked for help, and Mr. Celko gave it.

>But exactly what is it you have contributed to c.d.o.server?


Possibly a reminder of priorities? You may have missed this point
though.

Sincerely,

Gene Wirchenko

Computerese Irregular Verb Conjugation:
I have preferences.
You have biases.
He/She has prejudices.
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  #14 (permalink)  
Old 02-24-2008, 05:37 AM
Marshall Spight
 
Posts: n/a
Default Re: Eliminating Combinatorial Relationship Multiplication

"Daniel Morgan" <damorgan@x.washington.edu> wrote in message news:1088887202.344807@yasure...
>
> I don't show favoritism when it come to calling spam spam. Even when it
> is someone as esteemed as Joe Celko.


Spam is by definition unsolicited. An on-topic, helpful response to a
usenet post requesting help is by definition solicited. Your "integrity"
is just ball-busting on a guy who bends over backwards to help all
comers for free, and also happens to sell some books for which
he's probably lucky to clear $25,000 annually. (Trees and
Hierarchies in SQL doesn't have the same cachet as the latest
work by David Sedaris. In fact, it's Amazon's 16,754's most
popular item, right behind the $350 "Suunto Yachtsman Wristop
Computer Watch w/ Barometer and Compass", and you can
bet a $350 wrist barometer isn't exactly flying off the shelves.)

You're not engaging in spam-vigilance; you're just engaging
in gratuitous anticommercialism.


> But exactly what is it you have contributed to c.d.o.server?


I could just as well ask what you've contributed to c.d.theory,
but that wasn't the point. The point was that this thread isn't
specific to your newsgroup; it spans multiple newsgroups.
Expecting someone on this thread to conform to the customs
of one of those newsgroups is as unrealistic as those folks in
Snakewater, Iowa, who get upset when they see something
that violates a local ordinance posted on the internet from
New York City.

But the absolute frosting on the cake, the hypocritical parsley
on the potatoes, is the fact that both of your posts on this
topic so far have included links to courses you teach at
Washington. You're giving those courses away for free,
I presume? Oh, no, wait, I see; Oracle Application Development
is $1875. At least Joe's links to his book on Amazon were
pertinent to the OP's question.


Marshall


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  #15 (permalink)  
Old 02-24-2008, 05:37 AM
omlet@omlet.org
 
Posts: n/a
Default Re: Eliminating Combinatorial Relationship Multiplication

Daniel Morgan <damorgan@x.washington.edu> wrote in message news:<1088831855.922891@yasure>...
> --CELKO-- wrote:
>
> > Here is the link on Amazon.com for my new book on "Trees & Hierarchies
> > in SQL"
> >
> > http://www.amazon.com/exec/obidos/tg...roduct-details
> >
> > Separate the tree structure from the nodes. Ilike the nested sets
> > model for the structure, but you can pick whatever works best for your
> > situation. Then the nodes can go into another table.
> >
> > The classic scenario calls for a root class with all the common
> > attributes and then specialized sub-classes under it. As an example,
> > let's take the class of Vehicles and find an industry standard
> > identifier (VIN), and add two mutually exclusive sub-classes, Sport
> > utility vehicles and sedans ('SUV', 'SED').
> >
> > CREATE TABLE Vehicles
> > (vin CHAR(17) NOT NULL PRIMARY KEY,
> > vehicle_type CHAR(3) NOT NULL
> > CHECK(vehicle_type IN ('SUV', 'SED')),
> > UNIQUE (vin, vehicle_type),
> > ..);
> >
> > Notice the overlapping candidate keys. I then use a compound candidate
> > key (vin, vehicle_type) and a constraint in each sub-class table to
> > assure that the vehicle_type is locked and agrees with the Vehicles
> > table. Add some DRI actions and you are done:
> >
> > CREATE TABLE SUV
> > (vin CHAR(17) NOT NULL PRIMARY KEY,
> > vehicle_type CHAR(3) DEFAULT 'SUV' NOT NULL
> > CHECK(vehicle_type = 'SUV'),
> > UNIQUE (vin, vehicle_type),
> > FOREIGN KEY (vin, vehicle_type)
> > REFERENCES Vehicles(vin, vehicle_type)
> > ON UPDATE CASCADE
> > ON DELETE CASCADE,
> > ..);
> >
> > CREATE TABLE Sedans
> > (vin CHAR(17) NOT NULL PRIMARY KEY,
> > vehicle_type CHAR(3) DEFAULT 'SED' NOT NULL
> > CHECK(vehicle_type = 'SED'),
> > UNIQUE (vin, vehicle_type),
> > FOREIGN KEY (vin, vehicle_type)
> > REFERENCES Vehicles(vin, vehicle_type)
> > ON UPDATE CASCADE
> > ON DELETE CASCADE,
> > ..);
> >
> > I can continue to build a hierarchy like this. For example, if I had
> > a Sedans table that broke down into two-door and four-door sedans, I
> > could a schema like this:
> >
> > CREATE TABLE Sedans
> > (vin CHAR(17) NOT NULL PRIMARY KEY,
> > vehicle_type CHAR(3) DEFAULT 'SED' NOT NULL
> > CHECK(vehicle_type IN ('2DR', '4DR', 'SED')),
> > UNIQUE (vin, vehicle_type),
> > FOREIGN KEY (vin, vehicle_type)
> > REFERENCES Vehicles(vin, vehicle_type)
> > ON UPDATE CASCADE
> > ON DELETE CASCADE,
> > ..);
> >
> > CREATE TABLE TwoDoor
> > (vin CHAR(17) NOT NULL PRIMARY KEY,
> > vehicle_type CHAR(3) DEFAULT '2DR' NOT NULL
> > CHECK(vehicle_type = '2DR'),
> > UNIQUE (vin, vehicle_type),
> > FOREIGN KEY (vin, vehicle_type)
> > REFERENCES Sedans(vin, vehicle_type)
> > ON UPDATE CASCADE
> > ON DELETE CASCADE,
> > ..);
> >
> > CREATE TABLE FourDoor
> > (vin CHAR(17) NOT NULL PRIMARY KEY,
> > vehicle_type CHAR(3) DEFAULT '4DR' NOT NULL
> > CHECK(vehicle_type = '4DR'),
> > UNIQUE (vin, vehicle_type),
> > FOREIGN KEY (vin, vehicle_type)
> > REFERENCES Sedans (vin, vehicle_type)
> > ON UPDATE CASCADE
> > ON DELETE CASCADE,
> > ..);
> >
> > The idea is to build a chain of identifiers and types in a UNIQUE()
> > constraint that go up the tree when you use a REFERENCES constraint.
> > Obviously, you can do variants of this trick to get different class
> > structures.
> >
> > If an entity doesn't have to be exclusively one subtype, you play with
> > the root of the class hierarchy:
> >
> > CREATE TABLE Vehicles
> > (vin CHAR(17) NOT NULL,
> > vehicle_type CHAR(3) NOT NULL
> > CHECK(vehicle_type IN ('SUV', 'SED')),
> > PRIMARY KEY (vin, vehicle_type),
> > ..);
> >
> > Now start hiding all this stuff in VIEWs immediately and add an
> > INSTEAD OF trigger to those VIEWs.

>
> Joe ... sorry ... but integrity demands that I write the following:
>
> We have a usenet group named comp.databases.oracle.marketplace
> specifically designated for promotions. In the future it would be
> appreciated if you posted book, or any other, promotions there.
>
> Thanks.
>
> For everyone else ... I recommend Joe's books to my students and
> highly recommend them.


Daniel Morgan: Cannot you just shut the ffff up? Take your
contributions and shove it! This an international newsgroup and it NOT
yours to guard. The charter of this newsgroup is clear and does not
allow you to add shameless lines of advertisements while denying
others!

So shut up! you can create your own newsgroup where you can control
things --- you crazy control freak. Watch the movie "Tow Truck" to see
what you look like.

Obviously you are downgrading this group and many others to your level
of integrity which you completely lack.

Remember, you big jumble of Q that Oracle itself is a product! and you
have no rights what so ever to determine what is good; and what is
like you of what you don't like. You get it?! Read Simon's peom! Or
download OMLET and run it and you would get random lines of insults
and images geared specifically to YOU! Till 2010.

Now what?!
Right on your tail.
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  #16 (permalink)  
Old 02-24-2008, 05:38 AM
Noons
 
Posts: n/a
Default Re: Eliminating Combinatorial Relationship Multiplication

omlet@omlet.org apparently said,on my timestamp of 5/07/2004 8:27 AM:
>
>
> Daniel Morgan: Cannot you just shut the ffff up? Take your
> contributions and shove it! This an international newsgroup and it NOT
> yours to guard. The charter of this newsgroup is clear and does not
> allow you to add shameless lines of advertisements while denying
> others!
>
> So shut up! you can create your own newsgroup where you can control
> things --- you crazy control freak. Watch the movie "Tow Truck" to see
> what you look like.
>
> Obviously you are downgrading this group and many others to your level
> of integrity which you completely lack.
>
> Remember, you big jumble of Q that Oracle itself is a product! and you
> have no rights what so ever to determine what is good; and what is
> like you of what you don't like. You get it?! Read Simon's peom! Or
> download OMLET and run it and you would get random lines of insults
> and images geared specifically to YOU! Till 2010.
>
> Now what?!
> Right on your tail.


forwarded to abuse.

--
Cheers
Nuno Souto
wizofoz2k@yahoo.com.au.nospam
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  #17 (permalink)  
Old 02-24-2008, 05:38 AM
Daniel Morgan
 
Posts: n/a
Default Re: Eliminating Combinatorial Relationship Multiplication

Noons wrote:

>
> forwarded to abuse.
>


I have too as have a number of my students.

Here's what we have found:

Pinging omlet.org returns 66.218.79.158 which in return, when pinged,
returns p2w2.geo.scd.yahoo.com.

Complaints have been filed with:
abuse@yahoo.com
groups-abuse@google.com

I encourage others to do so too and and in case anyone wonders who this
spam-troll really is ...

Domain Name:OMLET.ORG
Created On:15-Jun-2004 10:54:38 UTC ... (been in business only 2 weeks)
Sponsoring Registrar:R52-LROR
Registrant Name:Amjad Daoud
Registrant Street1:Queen Noor Br 07
Registrant City:Amman
Registrant State/Province:Amman
Registrant Postal Code:9626
Registrant Country:JO ... (this is the country of Jordan)
Registrant Phone:+1.96265163864
Registrant Email:teraknowledgesystems@yahoo.com

Yes our troll lives in the country of Jordan. You can purchase a
product from someone to use with your valuable Oracle database
where there is not only no company behind it there is just one
guy in a third-world country.

Please address complaints about his spamming and abuse to:
Tech Name:YahooDomains TechContact
Tech Organization:Yahoo! Inc
Tech Street1:701 First Ave.
Tech City:Sunnyvale
Tech State/Province:CA
Tech Postal Code:94089
Tech Country:US
Tech Phone:+1.619-881-3096
Tech Email:domain.tech@YAHOO-INC.COM
Name Server:YNS1.YAHOO.COM
Name Server:YNS2.YAHOO.COM

Thank you.
--
Daniel Morgan
http://www.outreach.washington.edu/e...ad/oad_crs.asp
http://www.outreach.washington.edu/e...oa/aoa_crs.asp
damorgan@x.washington.edu
(replace 'x' with a 'u' to reply)

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  #18 (permalink)  
Old 02-24-2008, 05:39 AM
x
 
Posts: n/a
Default Re: Eliminating Combinatorial Relationship Multiplication

**** Post for FREE via your newsreader at post.usenet.com ****


"Daniel Morgan" <damorgan@x.washington.edu> wrote in message
news:1089057907.319050@yasure...
> Here's what we have found:


> I encourage others to do so too and and in case anyone wonders who this
> spam-troll really is ...


> Domain Name:OMLET.ORG
> Created On:15-Jun-2004 10:54:38 UTC ... (been in business only 2 weeks)
> Sponsoring Registrar:R52-LROR
> Registrant Name:Amjad Daoud
> Registrant Street1:Queen Noor Br 07
> Registrant City:Amman
> Registrant State/Province:Amman
> Registrant Postal Code:9626
> Registrant Country:JO ... (this is the country of Jordan)
> Registrant Phone:+1.96265163864
> Registrant Email:teraknowledgesystems@yahoo.com


> Yes our troll lives in the country of Jordan. You can purchase a
> product from someone to use with your valuable Oracle database
> where there is not only no company behind it there is just one
> guy in a third-world country.


You need to be more careful about this kind of language.
One of Amjad Daoud signatures I found on the web is:

Amjad Daoud
The OMLET Team Lead
Tera Knowledge Systems, Inc.
Arlington, Texas <--------------- This is not Jordan

Besides: What do you have against "guys from third-world countries" ?






-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
*** Usenet.com - The #1 Usenet Newsgroup Service on The Planet! ***
http://www.usenet.com
Unlimited Download - 19 Seperate Servers - 90,000 groups - Uncensored
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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  #19 (permalink)  
Old 02-24-2008, 05:39 AM
Jeff Lanfield
 
Posts: n/a
Default Re: Eliminating Combinatorial Relationship Multiplication

As the original poster I would agree here. If it is solicited and
relevant to the question asked it's not spam. I actually did end up
buying Mr. Celko's book and can attest that it is quite useful for
solving the class of problems I was interested in.

While in general people should not post ads for books they wrote on
tech newsgroups an exception should definitely be made for cases like
this one where the book contains pretty much the exact answer.

- Jeff


"Marshall Spight" <mspight@dnai.com> wrote in message news:<8KNFc.20603$%_6.12831@attbi_s01>...
> "Daniel Morgan" <damorgan@x.washington.edu> wrote in message news:1088887202.344807@yasure...
> >
> > I don't show favoritism when it come to calling spam spam. Even when it
> > is someone as esteemed as Joe Celko.

>
> Spam is by definition unsolicited. An on-topic, helpful response to a
> usenet post requesting help is by definition solicited. Your "integrity"
> is just ball-busting on a guy who bends over backwards to help all
> comers for free, and also happens to sell some books for which
> he's probably lucky to clear $25,000 annually. (Trees and
> Hierarchies in SQL doesn't have the same cachet as the latest
> work by David Sedaris. In fact, it's Amazon's 16,754's most
> popular item, right behind the $350 "Suunto Yachtsman Wristop
> Computer Watch w/ Barometer and Compass", and you can
> bet a $350 wrist barometer isn't exactly flying off the shelves.)
>
> You're not engaging in spam-vigilance; you're just engaging
> in gratuitous anticommercialism.
>
>
> > But exactly what is it you have contributed to c.d.o.server?

>
> I could just as well ask what you've contributed to c.d.theory,
> but that wasn't the point. The point was that this thread isn't
> specific to your newsgroup; it spans multiple newsgroups.
> Expecting someone on this thread to conform to the customs
> of one of those newsgroups is as unrealistic as those folks in
> Snakewater, Iowa, who get upset when they see something
> that violates a local ordinance posted on the internet from
> New York City.
>
> But the absolute frosting on the cake, the hypocritical parsley
> on the potatoes, is the fact that both of your posts on this
> topic so far have included links to courses you teach at
> Washington. You're giving those courses away for free,
> I presume? Oh, no, wait, I see; Oracle Application Development
> is $1875. At least Joe's links to his book on Amazon were
> pertinent to the OP's question.
>
>
> Marshall

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  #20 (permalink)  
Old 02-24-2008, 05:39 AM
Mikito Harakiri
 
Posts: n/a
Default Re: Eliminating Combinatorial Relationship Multiplication

"Marshall Spight" <mspight@dnai.com> wrote in message
news:8KNFc.20603$%_6.12831@attbi_s01...
> ...Trees and
> Hierarchies in SQL doesn't have the same cachet as the latest
> work by David Sedaris. In fact, it's Amazon's 16,754's most
> popular item, right behind the $350 "Suunto Yachtsman Wristop
> Computer Watch w/ Barometer and Compass...


How did you query this? Does amazon provides SQL interface nowadays?

select book.* from books
where rank between 15000 and 16000

???


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