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In Power Query Editor, you have a query named Sales Data that contains the following columns. You need to create two queries named Product Dimension and Sales Fact based on the Sales Data query. The solution must minimize maintenance effort and the size of the dataset. Which two actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
Correct Answer: A,E
To choose reference or duplicate or copy, the points are: 1: Reference, duplicate, copy queries will all make the file bigger to a similar size. 2: Choose Reference if you want the referenced queries to change when the original query changes. Choose Duplicate or Copy if you don't want that. Reference queries is more common in many real-world scenarios because the fact table is always changing. 3: Copy and Duplicate copy the transformation steps but reference not. Disable the load for the Sales Data query will : (1) It will be cleaner in Power BI desktop because you won't see the Sales data query. (2) improve performance. The star schema is normally the best in Power Bi modelling because of the performance. And this is the reason why we need to separate the main table into different tables(Normalization). The main table itself should not be included in a star scheme.