July 2010
Intermediate to advanced
448 pages
12h 22m
English
Content preview from Physical Database Design
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143
8
Multidimensional
Clustering
Man’s mind, once stretched by a new idea, never regains its original
dimensions.
—Oliver Wendell Holmes (1809–1894)
an data be clustered different ways simultaneously without duplicating the data?
There are times for all of us where we want to “play it both ways,” and times when
we probably would like to play things much more than two ways. Live in the quiet of
the country, or live in the action of the city. Enjoy the decadence of tasty foods, or enjoy
the benefits of a healthy diet. Unfortunately, many of these situations are mutually
exclusive. In the space of database design, data clustering long appeared to be one of
these situations; a data set can be clustered (or grouped on disk) along a set of dimen-
sions one way ...
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