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Design Tip ：Fact Table Surrogate Key

Meaningless integer keys, otherwise known as surrogate keys, are commonly used as primary keys for dimension tables in data warehouse designs. Our students frequently ask us - what about fact tables? ...
fact table 
dawang_andy 评论(0) 有103人浏览 2012-07-14 22:07

Incremental Loading for Fact Tables

METHOD OF LOADING Generally speaking, incremental loading for Fact tables is relatively easier as, unlike dimension tables, here you do not need to perform any look-up on your target table to ...
ETLDWFACT TABLE 
dawang_andy 评论(0) 有54人浏览 2012-07-13 09:15

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