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
ft:locale
en-US
ft:lastEdition
2024-01-12
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dita:id
kby1472250656485
lifecycle
latest
Product Category
Teradata Vantage™

VAR_SAMP operates differently depending on whether or not there is a GROUP BY clause in the SELECT statement.

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