December 2017
Beginner to intermediate
322 pages
6h 43m
English
book
Stream Analytics with Microsoft Azure
by Anindita Basak, Krishnaswamy Venkataraman, Ryan Murphy, Manpreet Singh
Content preview from Stream Analytics with Microsoft Azure
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Scalar functions
Simple functions that operate on a single value and return a single value are known as scalar functions. SAQL provides many scalar functions for string manipulation. For example, UPPER capitalizes all characters in a string expression, as in the following query example:
select ehinput.timestamp, ehinput.vin, ehinput.speed, ehinput.outsidetemperature, UPPER(ehinput.city) as cityfrom ehinput
Note the uppercase values in column City:
Additional scalar functions include, but are not limited to:
- SUBSTRING: To return a part of a string value, beginning with a given position number and extending a given length
Syntax: SUBSTRING ...
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