[permalink] [id link]
Because the relational model emphasizes search rather than navigation, it does not make relationships between different entities explicit in the form of pointers, but represents them rather using primary keys and foreign keys.
from
Wikipedia
Some Related Sentences
Because and relational
Because of the popularity of XML, XQuery engines compete with object databases as a vehicle for storage of data that is too complex or variable to hold conveniently in a relational database.
Because Gestalt therapy relies on the contact between therapist and client, and because a relationship can be considered to be contact over time, Gestalt therapy can be considered a relational or interpersonal approach.
Because and model
Because of its traditional lines, it probably has more kid appeal than any other model.
Because the levels themselves are random variables, some assumptions and the method of contrasting the treatments ( a multi-variable generalization of simple differences ) differ from the fixed-effects model.
Because the database is integrated with the programming language, the programmer can maintain consistency within one environment, in that both the OODBMS and the programming language will use the same model of representation.
Because u ≈ V < sub > i </ sub >/ 2, this data is consistent with the theoretical model.
Because of the enormous military successes of the Roman Republic and the Roman Empire, the legion has long been regarded as the prime ancient model for military efficiency and ability.
Because of its minimal overhead and low cost, the shareware model is often the only one practical for distributing non-free software for abandoned or orphaned platforms such as the Atari ST and Amiga.
Because the two model stories contained religious pacifists to make it necessary not to use gun, all the successors contained religious groups or at least priests ( sometimes as one of the heroes ).
Because ribavirin had failed to improve survival in a virulent primate ( rhesus ) model of yellow fever infection, it had been previously discounted as a possible therapy.
Because of the German victory in the Franco-Prussian War and because Japan was used as the model for political and legal reform, the law codes which were adopted were modeled closely after that of Germany.
Because pseudogenes are presumed to change without evolutionary constraint, they can serve as a useful model of the type and frequencies of various spontaneous genetic mutations.
Because of the memoryless property of this distribution, it is well-suited to model the constant hazard rate portion of the bathtub curve used in reliability theory.
Because of sensitive dependence on initial conditions, some deterministic models may appear to behave non-deterministically ; in such cases, a deterministic interpretation of the model may not be useful due to numerical instability and a finite amount of precision in measurement.
Because an arbitrary potential can be approximated as a harmonic potential at the vicinity of a stable equilibrium point, it is one of the most important model systems in quantum mechanics.
Because the rats are encouraged to act via the reward of pleasure, not muscularly compelled to behave in a particular manner, their behavior under MFB stimulation is likened to a carrot-and-stick model of encouraged behavior versus a system of mind control.
Because that isn't possible due to environmental constraints and carrying capacity, a model that includes saturation would be more accurate.
Because Tay – Sachs disease was one of the first autosomal recessive genetic disorders for which there was an enzyme assay test ( prior to polymerase chain reaction testing methods ), it was intensely studied as a model for all such diseases, and researchers sought evidence of a selective process.
Because the model is depicting a fishing boat, there would be no need for rams.
Because Stowe saw motherhood as the " ethical and structural model for all of American life " and also believed that only women had the moral authority to save the United States from the demon of slavery, another major theme of Uncle Tom's Cabin is the moral power and sanctity of women.
Because there were no female upper class cadets, the Air Training Officer model used in the early years of the Academy was revived, and fifteen young female officers were brought in to help with the integration process.
Because of issues with low signal strength, the older model Dish 1000 has been replaced with the Dish 1000. 2.
Because many miniature vehicles were originally sold as playthings, there is no precise difference between a model car and a toy car, yet the kit building hobby became popular through the 1950s, while the collecting of miniature by adults started to pick up steam around 1970.
Because each head model had the same number of key points of reference, transforming one character into another was simple ; more difficult, the animators recalled, was ensuring that the transformation looked " pleasing " and not " grotesque ".
Because a sonde may drift several hundred kilometers during the 90 to 120 minute flight, there may be concern that this could introduce problems into the model initialization.
Because distributed file systems were not yet widely available, a new protocol was developed based on the client-server model.
Because and emphasizes
Because it emphasizes the finality of death, it calls to question Ligeia's resurrection in the story.
Because few materials are available to the Spanish-speaking and Portuguese-speaking communities, LADO emphasizes this aspect of Islamic dawah.
Because of the nature of Karate training which emphasizes striking, kicking and a more limited range of standing throws compared to Judo the karategi has evolved in a manner that maximizes mobility and speed without the extremely coarse and strong fabric required for grappling and throwing found in Judo.
Because of Cobain's suicide, in live concerts he now emphasizes the line " once you're gone you can't come back ".
Because and search
Because many outstanding problems in number theory, such as Goldbach's conjecture are equivalent to solving the halting problem for special programs ( which would basically search for counter-examples and halt if one is found ), knowing enough bits of Chaitin's constant would also imply knowing the answer to these problems.
Because the house is assumed to have been thoroughly cleaned by the night before Passover, there is some concern that making a blessing over the search for chametz will be for naught ( bracha l ' vatala ) if nothing is found.
Because of the popularity of the Internet, many desirable domain names are already assigned and users must search for other acceptable names, using Web-based search features, or WHOIS and dig operating system tools.
Because of their range and adaptability, kayaks can be useful for other outdoor activities such as diving, fishing, wilderness exploration and search and rescue during floods.
Because of his discouragingly minor role in the band, and under the pressure of The Mundanes ' unsuccessful search for success, Linnell began recording music with John Flansburgh, though his family did not support the transition from what they considered to be a more professional band to an experimental one.
Because the Eldar are one of the original races featured in the 40K universe they have an extensive back catalogue of classic lead and plastic miniatures including many variants of squads, squad leaders and infantry models which can still be found on sale both in store and online for those with the patience to search.
Because a shallow search is faster than deeper search, the cutoff is found faster, accelerating the computer chess program.
Because of this, many programs which use search trees extensively can only play on the smaller 9 × 9 board, rather than full 19 × 19 ones.
Because random binary search trees are known to have logarithmic height with high probability, the same is true for treaps.
Because the loss of the queen was pushed over the horizon of search, it is not discovered and evaluated by the search.
Because it is made of Alter, it needs to absorb more Alter power to exist, and killed Ryuhou's mother during its first search.
Because of his previous experience in the Arctic, he was summoned from this assignment to take charge of another Arctic voyage in search of the North Pole in Discovery and Alert in 1875, the British Arctic Expedition.
Because a CAM is designed to search its entire memory in a single operation, it is much faster than RAM in virtually all search applications.
Because the heartland was dependent upon the search for and accumulation of staples ( which were located in the hinterland ) to perpetuate the economy, it sought to gain economic and political power by exploiting the hinterland.
Because of the patchiness of krill, albatrosses can travel for many hundreds or indeed thousands of miles on a single trip in search of it.
Because ammunition is scarce, to be effective the player must use it sparingly and carefully search rooms for supplies.
Because of a date error, the search warrant was later ruled invalid and the group was released.
Because of their search for power, they made enemies of other powerful families such as the Medici and the Sforza, as well as the influential Dominican friar Savonarola.
Because of the unique name, voyeurs could easily search for the files and listen to audio of unknowing individuals performing karaoke or joking around with friends.
Because many search engines give a penalty for using the META refresh command, some doorway pages just trick the visitor into clicking on a link to get them to the desired destination page, or they use Javascript for redirection.
0.693 seconds.