March 2015
Intermediate to advanced
192 pages
4h 32m
English
Databases are not dumps for data; rather, they are planned and strategically organized stores that befit a particular objective. This is where modeling comes into the picture. Modeling is motivated by a specific need or goal so that specific facets of the available information are aggregated together into a form that facilitates structuring and manipulation. The world cannot be represented in the way it actually is; rather, simplified abstractions can be formed in accordance with some particular goal. The same is true for graph data representations that are close logical representations of the physical-world objects. Systems managing relational data have storage structures far different from those ...
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