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Results tagged with facttable
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user 1285
3
votes
1
answer
2k
views
Does surrogate key assignment for a fact table require that the source data has natural keys?
Let's say I have a simple OLTP database with orders, products, and customers:
And from it, I am building a data mart with an orders fact table, product dimension, customer dimension, and date dimen …
- 2,639
8
votes
4
answers
6k
views
How do you roll up header-level values on a fact table with line-item granularity?
From what I've read, the recommended granularity for a fact table based on an order header / line item structure is at the line item level. In the process, any additive values that apply only to the o …
- 2,639