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Results tagged with star-schema
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user 26339
7
votes
date dimension OLAP cube design
Date dimensions are pretty standard in a data warehouse, and are highly recommended by Kimball as most facts tie to a date. Typically, the key is an integer. It can be a meaningless surrogate key, or …
- 844
3
votes
Accepted
Do valid to/from columns on a fact table make sense?
The validity depends on how users want to look at the data. You are looking at it as just a transaction fact. Other types of fact tables include periodic snapshots and accumulating snapshots. If you …
- 844