Conformed dimension consolidates different context in a single dimension. We may need to show/map different semantic content in reports and other BI tools. For these purpose, we implement multiple views on top of the conformed dimension. So, we can map and show specific semantic content (e.g. selling date vs ordering date) for different analysis. We call it the role-playing dimension.
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Extract: Performance Tips
Below listed some common performance tips for extract queries. Extract required columns only and specify in the query, avoid select * Extrac...
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If we are using dimensional data model, make sure to build atomic grain base fact tables. It is true that they takes more space and performs...
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It is a dimension table doesn't associate with fact table directly, but other dimension tables. We may have different scenarios to make ...
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Below listed some common performance tips for extract queries. Extract required columns only and specify in the query, avoid select * Extrac...
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