On Sat, 27 May 2006 15:19:13 GMT, Bob Badour <bbadour (AT) pei (DOT) sympatico.ca> wrote: It is unsurprising though. Maybe, she thinks that the...

Rich Ryan

06-03-2006 10:09 AM
JXStern

I International Conference on Multidisciplinary Information Sciences and Technologies, InSciT2006 Mérida, SPAIN, October 25th-28th,...

AT

06-02-2006 03:54 AM
AT

I stumbled across some wise words that resonate with me at http://en.wikipedia.org/wiki/Plan_9_from_Bell_Labs quoted from Eric S. Raymond: "The most...

Bob Badour

06-02-2006 01:26 AM
x

Export and Import http://quickdba.blogspot.com/2006/05/export-and-import-in-oracle.html More Daily updated Articles

rmli

06-01-2006 05:47 PM
B Faux

To me, as a school kid, division was multiple subtractions. Can we do real "divides by ".with the algebra we cling to? In context of the math we...

Rich Ryan

06-01-2006 05:12 PM
Mikito Harakiri

David Cressey wrote: As it happens I have rarely coded the various systems I have been associated with in any given language more than once.

Marshall

05-31-2006 06:49 AM
David Cressey

I wonder if anyone has any thoughts on using the materialized path as an intermediate step to create a kind of paths table to represent a tree...

Matthew Brealey

05-30-2006 06:34 PM
--CELKO--

Following the answer to Nikolai Onken and the suggestion of Keith H Duggar, I present you the following transformations: I(x)=x, I:U--->U T(y)=x,...

x

05-30-2006 01:35 AM
x

The Relational Lattice algebra ("RL") consists of two generic operations on relations: natural join, written "&&", and inner union, written "||". It...

Marshall

05-29-2006 10:33 PM
Marshall

The beginning can be found...

U-gene

05-29-2006 01:46 PM
U-gene

Tony D wrote: What would the requirements for a dbms be to have this orthogonality implemented? ISTM the dbms should not have native types (except...

mAsterdam

05-29-2006 04:01 AM
mAsterdam

On 23 May 2006 13:44:29 -0700, "dawn" <dawnwolthuis (AT) gmail (DOT) com> wrote: That is part of the logical model. The conceptual model is...

dawn

05-29-2006 02:42 AM
x

Dawn, One of my practical objections to MVL is that it obscures data. I'd like to know what you might offer to that objection. I am in the school...

Kenneth Downs

05-25-2006 06:50 AM
mAsterdam

The term "process model" seems to have raised a lot of questions, and not to have conveyed what I intended to convey. Here's an example that...

David Cressey

05-24-2006 08:43 AM
alfredono (AT) gmail (DOT) com

I just stumbled over this exchange from Oct 2005 on the TRM... http://www.dbms2.com/2005/10/10/17/ It was authored by a "Curt Monash" - is he known...

Frank Hamersley

05-24-2006 06:52 AM
x

Duplicating a Database using RMAN http://quickdba.blogspot.com/2006/05/duplicating-database-using-rman_22.html

rmli

05-24-2006 05:14 AM
rmli

Dear Friends, Please take a few minutes to complete our online Survey on Firebird, which explores trends in the usage of Firebird. Your opinions...

AT

05-24-2006 01:50 AM
AT

Recently, in a thread on implementing both threads and lists in a programming language, the example of lists or sets of Presidents arose. ...

David Cressey

05-23-2006 05:37 PM
dawn

LOL! Look up "Julian Simon" the economist who came up with the idea of bribing passengers with free trips, money and booze when they...

Nikolai Onken

05-23-2006 06:50 AM
Frank Hamersley

Once upon a time, I was ironing some shirts using an ancient appliance and a glass of water. The water from that glass was consumed until halved. At...

x

05-23-2006 06:04 AM
x

Yes. I've found "TheORM" on dbdebunk.com - of course as VOCIFEROUS IGNORANCE and in "Laugh or Cry" part. I don't think it is a problem, because all...

U-gene

05-23-2006 01:54 AM
U-gene

Is a relation's 'name' in fact a pointer? Relation names obviously don't come under the remit of the information principle, yet they are essential to...

JOG

05-23-2006 01:31 AM
x

I am trying to discern what (an) algorithm might be, that would compare two databases which, at one time were mirror's of each other. That is, if at...

Ike

05-23-2006 01:25 AM
x

There is probably some standard terminolgy for what you are about to read. I don't know what that standard terminology is. Sorry about that. I...

David Cressey

05-22-2006 08:07 AM
Tony D

Call for Participation and Demonstrations X I M E - P 2 0 0 6 3rd International Workshop on XQuery Implementation, Experience and...

Torsten Grust

05-19-2006 11:24 AM
Torsten Grust

Alvin Ryder wrote: The RM is a practical application of set theory. Is set theory good for some kinds of data but not others? Set theory is...

x

05-18-2006 06:51 PM
JOG

Please, "ignorant" is an adjective. Use " ignoramus." as the noun. I hope Bob's math is more rigorous than his english is.

Rich Ryan

05-18-2006 06:27 PM
Marshall

Thank you "x" and Marshall. I appreciate your feedback especially considering that my question was so vague. Your responses were most welcoming. I...

Keith H Duggar

05-18-2006 10:38 AM
x

"JOG" <jog (AT) cs (DOT) nott.ac.uk> wrote I'm suspicious as well, but my suspicions are at the semantic level. The above is not a list of Prime...

Marshall Spight

05-18-2006 09:19 AM
x

Hi Everybody, I am planning to do a database project on "Multimedia Databases", but I am totally new to this topic. I need some good ideas I can...

Abhishek

05-18-2006 07:06 AM
Abhishek

Hi Everybody, I am planning to do a database project on "Multimedia Databases", but I am totally new to this topic. I need some good ideas I can...

Abhishek

05-18-2006 07:05 AM
Abhishek

I few days ago I posted on my web site the solution for the following problem: How to decompose arbitrary relation into its binary relation? In fact...

vldm10

05-17-2006 01:42 PM
JOG

The first time I ever saw an index to a body of data (a file of flat records, to be specific), I thought it was a kludge. I figured this sort of...

David Cressey

05-17-2006 07:51 AM
x

One day, while perusing Newsgroup: comp.databases.theory I came across: Subject: Entity Overlap and Relationships The first post in the thread...

Jay Dee

05-12-2006 03:36 AM
x

Hello, I have a problem for which I have a new idea how to solve it. But I'm not sure if it is possible, so I'm writing to you. There's a software...

elif

05-12-2006 02:29 AM
elif

I am trying to solve a little (but nasty) problem and I'll appreciate if someone can give me an advice: In the database I have two tables: COMPONENTS...

Gary Greenberg

05-11-2006 07:01 AM
J M Davitt

This is essentially a request for help - I am (relatively urgently) searching out references that discuss XML databases with the view that they may...

JOG

05-10-2006 12:03 PM
JOG

A little while ago, I took the view that people who use terms like "field" and "record" in places where "column" and "row" are more...

David Cressey

05-10-2006 11:13 AM
Bob Badour

A number of people on this group are proponents of Pick (MultiValue) DBMS. I've been trying to find a definition for MultiValue to give me a better...

ralphbecket@gmail.com

05-10-2006 09:03 AM
Marshall Spight

Hello, In Chen's Entity/relationship model, relationships too can have attributes. How should I represent these relationships in a database? In my...

Sticky Bit

05-10-2006 03:14 AM
x

Hi Everybody, I am an independent researcher in Bangalore working on databases, thought just started. I am doing my research on "Efficient storage,...

Abhishek

05-09-2006 02:49 PM
Abhishek

Is there database theory that includes identification of 1. the fact that values for an attribute either were or could have been derived? 2. how...

dawn

05-09-2006 10:31 AM
Bob Badour

How can one use LISP to model the following 4 complex sentences in a systematic manner by building them from smallers ones having...

Neo

05-09-2006 05:13 AM
x

This looks like a silly question for the folks with database background. Sure they are the same concept. Let's put the things into wider perspective,...

Mikito Harakiri

05-08-2006 06:12 PM
Mikito Harakiri

If you look for "how many forum members does it take to change a light bulb?" You'll get this amusing little...

David Cressey

05-08-2006 05:57 PM
George 7

In my previous topic "x" asked me what is relationship between "The OverRelational Manifeso"'s approach and RM/T's...

U-gene

05-08-2006 09:40 AM
x

I am doing some research in the Database compression field. But I found that there is little topic about it. Is there sb can show me some open source...

roger

05-07-2006 08:42 PM
roger

The proof of proposition 8.2.2 (page 164, the Alice book) begins with observation that given three sets of attributes X, Y and Z such that set Z...

Mikito Harakiri

05-05-2006 09:06 PM
Mikito Harakiri

I was out pair of weeks and, in that time, my previousу topi� changed to discussion "If somebody should say directly all what he...

U-gene

05-05-2006 01:33 AM
U-gene

Hi every one! I've got a design question: Currently, we've got a table called "session" which contains all data about a production session. I won't...

Matthieu

05-04-2006 10:51 PM
Jay Dee