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If De-normalized Is Improves Data Warehouse Processes, Why Fact Table Is In Normal Form? |
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Answer» FOREIGN keys of facts tables are PRIMARY keys of DIMENSION tables. It is clear that fact table contains columns which are primary KEY to other table that itself make normal form table. Foreign keys of facts tables are primary keys of Dimension tables. It is clear that fact table contains columns which are primary key to other table that itself make normal form table. |
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