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Topic: Database theory


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In the News (Wed 9 Dec 09)

  
  Theory Into Practice (TIP)
TIP is a tool intended to make learning and instructional theory more accessible to educators.
The database contains brief summaries of 50 major theories of learning and instruction.
These theories can also be accessed by learning domains and concepts.
tip.psychology.org   (87 words)

  
 Netscape Search Category - Database Theory
Database Research at Waterloo Research areas include traditional relational database systems, complex objects, geometric data, text, and real-time data.
Databases, Information Systems and Multimedia The Politecnico di Milano research group which focuses on various aspects of database technology, information systems, workflow management systems, multimedia systems, and web application design.
University of Washington Database Research Areas of focus include database techniques for the web and the management of heterogeneous and semistructured data, and theoretical issues relating to complexity and query containment.
search-intl.netscape.com /Computers/Computer_Science/Database_Theory   (828 words)

  
 CodeGuru: A Practical Approach to Database Theory
Database development is unlikely to score very well with VB programmers for popularity.
In smaller projects, some of which I've had the mixed pleasure of working, the basic design choices behind the database is done by someone who have no grasp of database design, and who claims to "not have time" to learn it.
In relational databases, and VB terminology, it is often replaced by the term row.
www.codeguru.com /vb/gen/vb_database/article.php/c2047   (595 words)

  
 Amazon.com: Designing Relational Database Systems (Dv-Mps Designing): Books   (Site not responding. Last check: 2007-10-18)
Because they're so complicated, many books on relational databases are either burdensomely academic (Database Management Systems is the classic example of this mode--it's superb, but one practically needs a professor to help you decode it) or so practical-minded as to be overly simple.
If you intend to develop database applications for professional usage, and have experience with VBA/VB and SQL programming, but are still uncertain of database theory.
The first part of the book is by far the most challenging and difficult to comprehend, as database theory is a rather academic subject.
www.amazon.com /exec/obidos/tg/detail/-/073560634X?v=glance   (2214 words)

  
 Amazon.com: An Introduction to Database Systems (Introduction to Database Systems): Books   (Site not responding. Last check: 2007-10-18)
If you wish to quickly jump into database design without a full and rigorous knowledge of database theory (by no means a bad thing) then this book is not for you.
Date is one of the giant figures of relational database theory, and this masterful work covers, in exhaustive detail, all the elementary principles of the subject.
If you are into DB theory, and you want to gain a strong understanding of it, this is one of the best avenues to get you there.
www.amazon.com /exec/obidos/tg/detail/-/0201385902?v=glance   (1877 words)

  
 Database Theory
Arthur M. Keller's recent papers - A collection of papers on database theory and implementation including object oriented and distributed databases.
Database Systems at Delft - Research focus is on object management and semantic modeling.
Temporal Database Concepts - Defines a wide range of terms and concepts specific to the temporal database research community.
www.supercrawler.com /Computers/Computer_Science/Database_Theory   (619 words)

  
 236356 Database Theory, Winter 2001/02
Databases are designed using this specification mechanism and the question arises which of the possible (equivalent) design solutions are preferable.
Database Theory tries to solve the design problem using the table format and the dependencies as the only available information.
Elements of relational database theory by Paris C. Kanellakis in: Handbook of Theoretical Computer Science, Volume B (Jan van Leeuwen ed.), pp.
www.cs.technion.ac.il /~janos/COURSES/DB/abstract-01.html   (624 words)

  
 Asia/Pacific Computer Services - links to sites for Database Theory, Concepts, Products, Resources
Mapping objects to relational databases - "The object paradigm is based on software engineering principles such as coupling, cohesion, and encapsulation, whereas the relational paradigm is based on mathematical principles, particularly those of set theory.
Derby is a Java-based relational database with a two megabyte footprint that is fully embeddable and requires zero administration support.
Database Comparative Cost of Ownership (CCO) study - IBM DB2 Universal Database, Microsoft SQL Server and Oracle 9i - focuses on three application scenarios: an off-the-shelf application (like SAP, PS, JD Ewards, etc), a custom built web deployed application, and a business intelligence or data warehouse implementation.
www.asiapac.com.au /Links/Database.htm   (2773 words)

  
 Citations: Theory of Database Queries - CHANDRA (ResearchIndex)   (Site not responding. Last check: 2007-10-18)
For this reason, they have been studied extensively in database theory and have become a standard for comparing and calibrating the expressive power of other database query languages (cf.
As a consequence, researches in the area of database querying are devoted to find query languages able to express notable classes of recursive queries.
Chandra, A.K. Theory of Database Queries", in M. Yannakakis (ed.), Proceedings of the ACM Symp.
citeseer.ist.psu.edu /context/21741/0   (3273 words)

  
 CSE 412/598   (Site not responding. Last check: 2007-10-18)
Database security and authorization is covered during one class period.
As part of the course project, students are required to analyze database application requirements to develop and implement a database application.
Students must apply relational database theory to analyze and evaluate their database designs.
www.eas.asu.edu /~csedept/courses/syllabi/syl412.html   (887 words)

  
 The Tech One Database Universe - Database Theory   (Site not responding. Last check: 2007-10-18)
This is the operation of changing the state of a database by an upgrade.
It is clear that CJ Date considers theory can be disassociated from practice: http://www.oreilly.com/catalog/databaseid/chapter/ch01.pdf He quotes L. da Vinci: "Those who are enamored of practice without theory are like a pilot...
A1: A measure of the self-referential consistency of all the relations existent between the physical data elements defined in the schema of a database.
www.thetechone.com /group-235.html   (3522 words)

  
 Database Theory
For many, applications of computers including databases, text editors, program development, it is more appropriate to model the process as a dynamic one.
In dynamic complexity, we are presented with a set of possible requests Phi, which typically include insertions and deletions of tuples in relations, changes to single values of constants and functions, and a set of queries.
Languages That Capture Complexity Classes showed that the complexity of evaluating queries for a whole series of database query languages could be determined from the syntax of these languages.
www.cs.umass.edu /~immerman/database.html   (563 words)

  
 ON THE FIVE NORMAL FORMS
My only regret over the years has been the inability to put the theory into practice in all the work undertaken due to the ad hoc nature of the projects involved with and the constraints others have placed on the respective database designs.
On my way back from the presentation to the office, I had time to discuss a database project that a couple of older gentlemen were working on and were having considerable problems with.
RELATIONAL DATABASE WRITINGS 1989-1991.  The problem was that these folks had come up with certain design recommendations of their own--no problem there--but, thinking it somehow made their ideas more academically respectable, decided to dress up those recommendations with the completely inappropriate terminology of "Nth normal form" for some N > 3.
www.dbdebunk.com /page/page/622124.htm   (1046 words)

  
 identity theory | author database   (Site not responding. Last check: 2007-10-18)
identity theory is a regularly published, web-based magazine of literature and culture edited by matt borondy.
Emma McCandlish is a senior at Georgetown University and is currently working on her thesis project, a compilation of photo essays entitled, "The Other Within." She likes to read and write and obsess about questions of identity.
All work on Identity Theory -- with the exception of the public-domain classics -- is copyright its original author.
www.identitytheory.com /authdata.html   (4535 words)

  
 E-Commerce News: News: The Grand Unified Database Theory
But there's another problem with databases, even if all the databases you use are written with the same software.
Some databases may put the name of the customer first, others a number, still others may lead with a product.
What's needed, then, are standards, and what I call a "grand unified database theory" that lets databases interoperate more easily across all Web platforms.
www.ecommercetimes.com /story/384.html   (468 words)

  
 Chracteristics of a Relational Database   (Site not responding. Last check: 2007-10-18)
The relational database model is based firmly in the mathematical theory of relational algebra and calculus
EXAMPLE: The code in an application that accesses data in a file-based database typically depends on the file format (e.g., the code references a 'phone number' field that is 10 characters wide, is preceded by the 'zip code' field, followed by the 'fax number' field...).
There cannot be other paths into the database that subvert data integrity; in other words, you can't get in the 'back door' and change the data in such a manner as data integrity is violated
www.frick-cpa.com /ss7/Theory_RelationalDB.asp   (1666 words)

  
 LAU | Conferences | SAC2004   (Site not responding. Last check: 2007-10-18)
For the past eighteen years, the ACM Symposium on Applied Computing (SAC) has been a primary and international forum for applied computer scientists, computer engineers, software engineers, and application developers to gather, interact and present their work.
A special track on Database Theory, Technology, and Applications will be held in SAC 2004.
The DTTA track will be a forum for database scholars, research scientists, engineers, and practitioners throughout the world to share their theoretical results, technical ideas, and exploratory experiences relating to implementation and applications.
www.lau.edu.lb /news-events/conferences/SAC2004   (597 words)

  
 Database Theory and Type systems/Programming Languages. | Lambda the Ultimate
Oh yeah, I've read enough of DB Debunkings to realize that C.J. Date and company can be a bit ornery, but I just want to see how these two things intersect.
Is there a "native" Oz database that could be truly said to be "relational".
The book is not written in the most reader friendly style, and I get the feeling that what they are saying is important, I just want to frame it in a proper context against what the rest of the world is doing.
lambda-the-ultimate.org /node/view/123   (782 words)

  
 Conceptual, Logical, and Physical views of data - Database Theory
Fourth, I don't believe that relational database theory is the end point of
SQL databases, is more of a pragma than a dogma.
databases, preferably one that predates the widespread acceptance of the
www.database-forum.com /ftopic18855-45.html   (6577 words)

  
 Citations: Algebraic Graph-Oriented = Category Theory Based - DISKIN, CADISH (ResearchIndex)   (Site not responding. Last check: 2007-10-18)
Their manifesto supports the reasons we have outlined for using category theory for formalising databases, in particular they believe that using the arrow for defining....
diagram chasing giving algebraic equations, and the consistency tests, are useful additions to any model of a database in achieving a database system with a high level of consistency and correctness.
) In fact, nowadays DB theorists often recover main concepts of category theory, and during the last 3 4 years there appeared several publications on applying category theory in the DB area (32, 31, 6, 18] However, their considerations are somewhat orthogonal to the approach we suggest (while.
citeseer.ist.psu.edu /context/334791/122777   (1357 words)

  
 Database Theory   (Site not responding. Last check: 2007-10-18)
The first part of the course is dependency theory and its relationship to data modelling.
The second part of the course is the theory of query languages.
Review of the books Foundations of Databases, The Design of Relational databases and Kannelakis' handbook article by J.A. Makowsky, from the Journal of Symbolic Logic.
www.cs.technion.ac.il /~janos/COURSES/DB/announce.html   (370 words)

  
 WebDeveloper.com - DataBase Theory
I am trying to create database access to a MSDatabase the problem is that, it needs to be NON server side, you see it needs to look at the MSdatabase that is on a local server, and write to it :)
5) then send it to the database using a vbscript, or javascript if possible.
Is this theory possible, i know to connect to a MSDatabase using ododb, but not sure on the other stuff, but intend to hit the books and the forum :d
www.webdeveloper.com /forum/printthread.php?t=37540   (233 words)

  
 CSC - Chemistry   (Site not responding. Last check: 2007-10-18)
This database contains the bibliography part of the three books "Relativistic Theory of Atoms and Molecules I-III" (Springer, Berlin, 1986, 1993 and 2000), (LNCh 41, 60 and 76) as well as additional references, mainly later ones from 2000- onwards.
This database is geared into the program 'BibTeX'.
Center for Scientific Computing Ltd. and it was developed by Petteri Uotila.
www.csc.fi /rtam   (111 words)

  
 IBM Research | Almaden Research Center | test
Because theory cuts across every aspect of computer science, we tend to interact with a large number of other research teams.
Database Principles: What models and algorithms are useful in helping computers store and retrieve information efficiently?
Ronald Fagin: Logic, complexity theory, database principles, reasoning about knowledge, information retrieval.
www.almaden.ibm.com /software/theory   (431 words)

  
 ChessGames.com Online Chess Games Database
Chessgames.com is a database of historical chess games combined with discussion forums.
You are encouraged to participate and learn from players stronger than yourself, while guiding those who are weaker.
Database Statistics is filled with many fun facts.
www.chessgames.com   (667 words)

  
 CSE-450 Database Theory, Spring 2005   (Site not responding. Last check: 2007-10-18)
This course is designed for graduate students who have not studied databases previously.
Three of those hours will be concurent with CSE-241, the undergraduate-level database course.
Unlike 241, which focuses on system-related aspects of databases and database design, 450 will follow a definition-theorem-proof format.
www.lehigh.edu /~hfk2/450-dbt.html   (167 words)

  
 Open Directory - Computers: Computer Science: Database Theory: Conferences   (Site not responding. Last check: 2007-10-18)
ICDT 1999 - The 7th International Conference on Database Theory.
ICDT 2003 - The 9th International Conference on Database Theory Siena, Italy, 8 - 10 January 2003.
KRDB - Knowledge Representation meets Databases is a series of workshops held during major KR/AI and DB conferences.
dmoz.org /Computers/Computer_Science/Database_Theory/Conferences   (740 words)

  
 Database Theory
Defines a wide range of terms and concepts specific to the temporal database research community.
Aalborg University data warehousing, database integrity, temporal, spatial and spatio-temporal databases.
A collection of papers on database theory and implementation including object oriented and distributed databases.
canadiancontent.net /dir/Top/Computers/Computer_Science/Database_Theory   (426 words)

  
 Traditional Chinese Herbal Medicine, herb database - RMHI
The basic superstructure of TCM theory consists of a three-dimensional state-space of metabolic characteristics: level of body vitality, thermal and fluid regulation, and severity/chronicity of illness.
The database includes information about botanical classification, dosage, contraindications, preparation, physiological notes, and traditional Chinese clinical indications.
To access the database, please enter your assigned username (not your real name) and password into the small popup box that will appear.
www.rmhiherbal.org /ai/pharintro.html   (1370 words)

  
 I C D T '99   (Site not responding. Last check: 2007-10-18)
ICDT is a biennial international conference on theoretical aspects of databases and a forum for communicating research advances on the principles of database systems.
Initiated in Rome, in 1986, it was merged in 1992 with the MFDBS symposium series initiated in Dresden in 1987.
While special emphasis is put on new ideas and directions, papers on all aspects of database theory and related areas are presented.
www.cis.upenn.edu /~icdt99   (205 words)

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