Nice touch
Before I start, I have to state that the technique shown in this post isn’t mine but was developed by my colleague Andrew Simmans, who has very kindly allowed me to blog about it.
Over the last few months I’ve been working on an SSAS Tabular project that has not only presented some interesting modelling challenges, but has shown how DAX can offer some new and interesting solutions to these challenges. Consider the following scenario: a supermarket sells products, and we have a fact table showing sales of products by day. Here’s some sample data:
To complicate matters, each product has one product manager but product managers for particular products change from time to time. Normally this might be solved by adding the product manager name to the Product dimension table and implementing a Type 2 Slowly Changing Dimension. In this case, though, we want something slightly different: instead of…
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