15664337
Description
Mind Map by Parag Gawde, updated more than 1 year ago
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Created by Parag Gawde
about 6 years ago
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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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