I discovered that the data compression algorithm that PBI uses has a bug. The algorithm searches for repeating data in a column and stores a
I discovered that the data compression algorithm that PBI uses has a bug. The algorithm searches for repeating data in a column and stores a single value. However, for string data it ignores case. So, if your data contains both strings 'my data' and 'My Data', it will arbitrarily store only one o...
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