How GROUP BY Affects Report Breaks - Analytics Database - Teradata Vantage

SQL Functions, Expressions, and Predicates

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Analytics Database
Teradata Vantage
Release Number
17.20
Published
June 2022
Language
English (United States)
Last Update
2024-01-12
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lifecycle
latest
Product Category
Teradata Vantage™

STDDEV_POP operates differently depending on whether there is a GROUP BY clause in the SELECT statement.

IF the query … THEN STDDEV_POP is reported for …
specifies a GROUP BY clause each individual group.
does not specify a GROUP BY clause all the rows in the sample.