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 regulators softening stance on Oracle-Sun
Dec 15, 2009 |
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(AP) -- European Union regulators appear to be softening their opposition to Oracle Corp.'s proposed $7.4 billion takeover of Sun Microsystems Inc., a shift that has resurrected some investors' hopes that one of the year's ...
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The global dynamics and spread of Hepatitis C virus 1a and 1b: A phylogeographical analysis
Dec 15, 2009 |
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Research published this week in PLoS Medicine finds that the global spread of Hepatitis C virus (HCV) coincided with widespread use of transfused blood and with the expansion of intravenous drug use but slowed before wholes ...
Hubble Finds Smallest Kuiper Belt Object Ever Seen
Space & Earth / Space Exploration
1hour ago |
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(PhysOrg.com) -- NASA's Hubble Space Telescope has discovered the smallest object ever seen in visible light in the Kuiper Belt, a vast ring of icy debris that is encircling the outer rim of the solar system ...
New results from a terra-ific decade in orbit
Space & Earth / Earth Sciences
Dec 15, 2009 |
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December 18, 2009, marks the tenth year since the launch of Terra, one of NASA's "flagship" Earth observing satellites. But the decade is more than just a mechanical milestone. With each additional day and ...
CEO charisma biases financial analysts, can hurt investors, study says
Dec 15, 2009 |
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Projecting the charisma of a newly hired Chief Executive Officer often leads financial analysts to make crucial errors in forecasting the company's future performance, according to a new study in the current issue of Organization Sc ...
Unique 'Climate One Stop' Web Site Unveiled in Copenhagen
23 hours ago |
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There's a storm brewing -- a storm of information, that is, in climate and environmental research. People are wading through the turbulence, trying to make sense of it all.
Study: Earth's polar ice sheets vulnerable to even moderate global warming
Space & Earth / Earth Sciences
3 hours ago |
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A new analysis of the geological record of the Earth's sea level, carried out by scientists at Princeton and Harvard universities and published in the Dec. 16 issue of Nature, employs a novel statistical approa ...
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