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Tabular Modeling with SQL Server 2016 Analysis Services Cookbook
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The RELATEDTABLE function changes the context in which the data is filtered, and evaluates the expression in the new context that you specify.
This function is a shortcut for the CALCULATETABLE function with no logical expression.
The RELATEDTABLE function leverages the relationships built in the model Diagram view. In this model, there is a one to many relationship between the Manner_of_Crash table and the CRASH_DATA_T table. The RELATEDTABLE function is applied on the many table (Manner_of_Crash) and performs a lookup on the one table (CRASH_DATA_T).
In this recipe, you will create a new column to the Manner_of_Crash table. This recipe uses the RELATEDTABLE function to count the number of rows in the CRASH_DATA_T table that occur by the Manner_of_Crash. This will provide a summary by row. The REALTEDTABLE function has a required syntax of RELATEDTABLE(<tableName>).
Open the Chapter_9_DAX solution, select the Manner_of_Crash table, and make...