January 2017
Beginner to intermediate
372 pages
5h 55m
English
Content preview from Tabular Modeling with SQL Server 2016 Analysis Services CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using the LEFT Function
The LEFT function is very useful when you need to parse a string to get a subset of the data. This is often used to make the data more meaningful for your users. In this recipe, you will create a column on the Manner_of_Crash table to return the first nine letters of each description. Then you will make the LEFT function use a dynamic argument to determine the number of characters to find a comma. On this table, you can now create a hierarchy that would group the two sideswipe rows into a single group. The LEFT function has a required syntax of LEFT(<text>,<num_chars>).
How to do it...
- Open the Chapter_9_DAX solution, select the CRASH_DATA_T table, and make sure you are in the data Grid view.
- Scroll to the right until you ...
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