Tag: data-warehouse
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Slowly Changing Dimensions (SCDs): What Are They and Why Do They Matter?
Image by Pete Linforth from Pixabay Imagine you’re keeping a diary about your favourite ice cream shop. One day, they introduce a new flavour. The next week, they rename the “Choco Fudge” to “Double Chocolate Delight.” Later, they move to a bigger location. How do you keep track of all these changes in your diary?…