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Do Business Analysts make good dimensional modellers??
Recently I had the (dis)pleasure of working with Business Analysts, who also thought that they are good in dimensional modelling. so, I had to implement BI solutions (including cubes) on top of their...
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Ad-Hoc Ranges in SSAS
We can easily build ranges in MDX with the range operator “:”. We can also easily create a Range dimension in SSAS and use it to slice our data. This post is not about either of those. I would like to...
View ArticleAvoiding NULLs in SSAS Measures
In a recent discussion I made a statement that many data marts allow and contain NULLs in their fact table measure columns. From the poll responses I am getting here, I can see that more than half of...
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The Single Table Model in PowerPivot
In my last post I examined a normalised vs a denormalised model in PowerPivot. In some cases, though, users will invariably avoid this de/normalisation “stuff” and import a single table in PowerPivot....
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