Earlier today I posted the following question on Twitter: Foreign keys in a data warehouse. Yes or no? This discussion is looming at work, i know my position but am interested in what others think. (https://twitter.com/jamiet/status/324215986729385986) Specifically, I wanted to know if people were in favour of creating foreign keys ...

Those who are familiar with Ralph Kimball’s theories on data warehousing modelling may be familiar with his assertion that a type 2 dimension member record should have a StartDate and an EndDate that defines the effective period of that record. He outlines this approach in his paper Slowly Changing Dimensions, Types 2 & 3 from the October 2008 ...