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Logical and Physical Database Requirements. ... An example would be a personal computer able to access its information files stored on multiple hard drives from a single user interface.
Continued data availability goes hand in hand with the requirement for data consistency. This can best be illustrated with a negative example, in which a factory intermittently changes the ...
For example, data may be stored in CSV, RCFile, ORC or Parquet, to name a few. In addition, various compression techniques — such as GZip, ... Multiple formats and compression techniques can be used ...
For example, creating a program that converts temperatures in Fahrenheit into Celsius. To help developers create new software, data requirements are planned using a data dictionary.
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