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- 4GL Errors and Consequences
- 4GL Errors and ConsequencesFurther requirements1. Remove the cross platform requirements for the DBMS provider from the language. Cross platform capability should exist in the DBMS itself. From the user and programmer point of view the whole database should appear as a single logical database regardless of how it may be...
- Tags: Databases, Operating systems, Event-driven, relation variable, database, DBMS
- Discussion threads 2006-09-28
Additional Resources
- Examining Mediator and Moderator Effect Using Rural Women HIV Study
- There is often confusion among students concerning the difference between a mediator variable and a moderator variable. In general, a given variable may be said to function as a mediator to the extent that it accounts for the relation between the predictor independent variable and the criterion dependent variable. A...
- Tags: Women, Relationship, SAS Institute, Criterion, Gender And Diversity, Human Resources
- White papers 2009-02-27
- Bubble, Bubble: Less Toil, No Trouble
- The idea of using a circular image to portray frequency and amount was formalized by Playfair. These first "Statistical charts" illustrated the number of inhabitants in major European cities by a set of hand-drawn circles, with the diameter of the circle indicating population thus enabling effective comparison by city. Today's...
- Tags: Improvement, University Of South Florida, Productivity
- White papers 2009-02-27
- Computer Virus Propagation Model Based on Variable Propagation Rate
- In this paper, two different propagation models based on different topologies of email network are proposed. By analyzing the means and the characters of email virus spreading, the function of email virus propagation is given, and the maximum time of email virus propagation before the anti-virus software is calculated. The...
- Tags: Computer Virus, Propagation, Virus, Computer, E-mail, Cyberthreats, Viruses And Worms, Security, Online Communications
- White papers 2008-11-29
- New version of Centre open source SIS released
- Although I'm happy as a clam with my current student information system, the idea of an open source solution remains attractive. The Miller Group has updated the open source Centre SIS also available in the OpenSUSE server education product. According to the Miller Group website, version...
- Tags: Food, SiS, Miller Group, Food & Beverage, Open Source, Manufacturing, Christopher Dawson
- Blog posts 2008-08-01
- Global Warming (GW)? The spin cycle is on high.
- Global Warming GW? The spin cycle is on high.Message has been deleted.RE: Global Warming GW? The spin cycle is on high.This article falsely claimss that the Roanoke Weather article states that excess snow cover is evidence of a cooling trend. Actually if you read it, the article...
- Tags: socialist, global warming, spin cycle
- Discussion threads 2008-03-02
- The relational mistake
- The relational mistakeNot quiteA relation is a function between sets. Relations and sets are not synonymous, though a relation is a set. For example I take the set of all names and the set of all dates of birth and define a relation between them (note that this will give...
- Tags: Storage, Databases, database, SQL-DBMS, Codd, data store
- Discussion threads 2007-10-31
- Database vs. Application
- Database vs. ApplicationA good summary of popular misconceptions about the relational modelWell done Murphy.You favour client serverA so-called table in SQL is in the relational model actually a relation variable. If you separate applications and the database in the way that it is traditionally done in a host language interface...
- Tags: Storage, Databases, Servers, database, host language, relational model
- Discussion threads 2007-08-09
- What will happen in IT in 2007?
- What will happen in IT in 2007?With all predictionsIt is important to draw the line between what one might want to happen and what one believes will happen.I think it is often the case that if you talk about what you believe will happen people often assume that this is...
- Tags: UNIX, Operating systems, OPEN SOURCE, Servers, Strategy, Linux, Sun Solaris, Murph, client-server, information technology
- Discussion threads 2006-12-28
- L'Unix programming contest
- L'Unix programming contestLest you be Judged[how would you judge the resulting programs to determine a winner if this were a programming contest?]A course I took as part of my Master's degree was called Software Quality and attempted to do just that - judging code. It's main tenet was the Coupling/Cohesion...
- Tags: Development tools, Operating systems, programming, programming contest, programmer, Unix
- Discussion threads 2006-09-25
- The meaning of "relational"
- The meaning of "relational"Nice try, but not quite thereI would strongly recommend C. J. Date's "Database in Depth" for anyone interested in a very clear explanation of relational theory. Set theory is important of course but not, I think, as central as predicate logic; we are not just interested in...
- Tags: Databases, Programming languages, Set Theory, theory, relational theory, SQL, MySQL
- Discussion threads 2006-06-06
- Earthquake fears prompt business continuity
- Earthquake fears prompt business continuityGood grief!In the event of a catastrophic disaster, all you can think about is saving a business? Get real! People will be dead and dying. People will need food, water, shelter, medical care. Who f---ing cares about a damn business, when the only thing on thier...
- Tags: Food & Beverage, food, business continuity
- Discussion threads 2006-04-18
- Red Cross: San Francisco unprepared for big quake
- Red Cross: San Francisco unprepared for big quakeDoesn't take a geniusto figure out that there will PROBABLY be a big quake in the area before 2032. That's what, a 26 year window for something to happen? California gets hit by mini-quakes ALL of the time. The magnitute...
- Tags: caliber, quake, shotgun, Medium caliber, Red Cross
- Discussion threads 2006-04-14
- Why CERT should be decertified (1)
- Why CERT should be decertified (1)Its not thatIn a large enterprise (such as Company "F"), new patches need to be CERTIFIED before they are spread out to all 170,000 PCs in the company. This means that testing is required to see if the patch breaks anything. This effort takes time,...
- Tags: Linux, Patches, Operating systems, UNIX, Microsoft Windows, CERT, patch management
- Discussion threads 2006-01-10
- Gartner to DBAs, BI vendors: Time to reinvent yourselves
- Gartner to DBAs, BI vendors: Time to reinvent yourselves?? I'm speachless ??I don't know what they are feeding these Gartner analysts... I think it's too much stupid sauce.In theory,,, yes... In practicum.... NoThink about it. Gartner is only covering the OLTP aspect of these databases. What about OLAP? Historical Data....
- Tags: Databases, business intelligence, Now-What, RFID, Gartner Inc., RFID tag, database, soup, special offer
- Discussion threads 2005-10-21
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