Database
hideA database is an integrated collection of logically related records or files that is stored in a computer system which consolidates records previously stored in separate files into a common pool of data records that provides data for many applications. A database is a collection of information that is organized so that it can easily be accessed, managed, and updated. In one view, databases can be classified according to types of content: bibliographic, full-text, numeric, and images. The structure is achieved by organizing the data according to a database model. The model that is most commonly used today is the relational model. Other models such as the hierarchical model and the network model use a more explicit representation of relationships.
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News tagged with database
EU antitrust chief slams senators on Oracle deal
Dec 08, 2009 |
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(AP) -- The European Union's antitrust chief said Tuesday that U.S. senators who pressed her to approve Oracle Corp.'s takeover of Sun Microsystems Inc. should stop interfering in Europe's affairs and prioritize U.S. health ...
Cyber crooks tarketing banks-social networks: Cisco
Dec 08, 2009 |
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An annual security report being released Tuesday by technology titan Cisco warns that banks and online social networks are prime targets for increasingly sophisticated cyber crooks.
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App in the hand finds birds in bushes as you roam
Dec 08, 2009 |
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(AP) -- When Jory Langner finds time for a field trip during an upcoming visit to Washington, he won't have to ask local birders where to find candidates to add to his life list of birds sighted.
Validity of cost-effectiveness models based on randomized clinical trials
Dec 08, 2009 |
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Cost-effectiveness studies are widely used to guide prescribing policy in many countries, as part of health technology assessment programmes. However, a new study published this week in PLoS Medicine by Tjeerd-Pieter van St ...
Ubiquitous health: Enabling telemedicine to cut hospital visits, save money
11 hours ago |
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A ubiquitous health monitoring system that automatically alerted the patient's family or physician to problematic changes in the person's vital signs could cut hospital visits and save lives, according to Japanese researchers ...
Gravestones Talking through Time
Space & Earth / Earth Sciences
Dec 08, 2009 |
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(PhysOrg.com) -- A visit to your local graveyard can provide not only a history lesson, but a science lesson as well. Historians know that gravestones can reflect the lives of people whose memories are lost ...
Women with breast cancer who consume soy food have lower risk of cancer recurrence
Dec 08, 2009 |
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Although there is a concern regarding the safety of soy food consumption among breast cancer survivors, researchers have found that women in China who had breast cancer and a higher intake of soy food had an associated lower ...
Antiepileptic drugs not linked to suicide among those with bipolar disorder
Medicine & Health / Psychology & Psychiatry
Dec 07, 2009 |
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Despite government warnings about an increased risk of suicidal thoughts and actions while taking antiepileptic drugs, these medications do not appear to be associated with increased risk of suicide attempts in individuals ...
Most primary-care physician practices appear too small to adequately measure quality
Dec 08, 2009 |
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Most primary care physicians active in the Medicare program work in practices with too few patients to reliably measure significant differences in common measures of quality and cost performance, according to a study in the ...
Study identifies genetic predeterminants for diabetes in African-Americans
21 hours ago |
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For years, scientists have tried to determine the basis for discrepancies between race and the predisposition for development of diseases such as type II diabetes and cardiovascular disease. Could factors ...
Small addition to cancer drug may make big difference
Dec 08, 2009 |
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University of Florida researchers have found a way to use just a fraction of the normal dosage of a highly toxic, debilitating chemotherapy drug to achieve even better results against colon cancer cells.
Nanomedicine: ending 'hit and miss' design
Nanotechnology / Bio & Medicine
Dec 08, 2009 |
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(PhysOrg.com) -- One of the promises of nanomedicine is the design of tiny particles that can home in on diseased cells and get inside them. Nanoparticles can carry drugs into cells and tag cells for MRI and other diagnostic ...
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