March 2018
Beginner to intermediate
638 pages
16h 29m
English
Content preview from Mastering Microsoft Power BI
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Parameter Tables
The final group of M queries, parameter table queries, are developed for usability and manageability purposes. From a usability standpoint, the Date Intelligence Metrics and Adventure Works Sales queries serve to consolidate similar DAX measures in the Fields list. Additionally, the CurrentDate query is used to provide reports with a text message advising of the latest data refresh date. From a manageability standpoint, the Measure Support query can be used to centralize intermediate or branching DAX expressions that can be referenced by many DAX measures.
As shown in the following example of the Adventure Works Sales query, a trivial expression can be used for three of the four queries since the purpose of the query is simply ...
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