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You have a large dataset that contains more than 1 million rows. The table has a datetime column named Date. You need to reduce the size of the data model. What should you do?
Correct Answer: D
Split your DateTime column into a separate date & time columns in fact table, so that you can join the date to the date table & the time to the time table. The time need to be converted to the nearest round minute or second so that every time in your data corresponds to a row in your time table. Reference: https://intellipaat.com/community/6461/how-to-include-time-in-date-hierarchy-in-power-bi