For each subject area logical model: Decrease detail by adding attributes and less-significant entities and relationships.
The impact of the changes from new volatile data must be isolated from the bulk of the historical, non-volatile DW data. There are three main approaches, including:
When constructing models and diagrams during formalisation of data architecture there are certain characteristics that minimise distractions and maximize useful information. Characteristics include:
Sample value metrics for a data governance program include:
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