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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Factless fact table is the fact table which log an business event but does not contain any measure fields. Typical use cases are the attenda...
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Transactional Fact and Snapshot Fact tables are usually designed from the corresponding individual business process. Consolidated Fact table...
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NULL columns sometime give unexpected query results to users in user point of view. It happens in filtering (i.e. condition [COLUMN1 = 0 or...
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