15664337
Beschreibung
Mindmap von Parag Gawde, aktualisiert more than 1 year ago
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Erstellt von Parag Gawde
vor fast 6 Jahre
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Data Warehouse Characteristics
- Subject-Oriented
- offers information regarding a theme
instead of an ongoing operation.
- offers information regarding a theme
instead of an ongoing operation.
- Integrated
- establishes a common unit of measure for all similar
data from the dissimilar database
- establishes a common unit of measure for all similar
data from the dissimilar database
- Time-variant
- data collected in a data warehouse is
recognized with a particular period and
offers information from the historical point
of view
- data collected in a data warehouse is
recognized with a particular period and
offers information from the historical point
of view
- Non-volatile
- previous data is not erased when
new data is entered in it
- previous data is not erased when
new data is entered in it
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