CUME_DIST Function Example | Teradata Vantage - Example - 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 Vantageā„¢

The following SELECT statement:

SELECT lname, serviceyrs,
 CUME_DIST()OVER(ORDER BY serviceyrs)
 FROM schooltbl
 GROUP BY 1,2;

returns the cumulative distribution by service years for teachers listed in schooltbl.

lname serviceyrs CUME_DIST
Adams 10 0.333333
Peters 10 0.333333
Murray 10 0.333333
Rogers 15 0.444333
Franklin 16 0.555333
Smith 20 0.888889
Ford 20 0.888889
Derby 20 0.888889
Baker 20 1.000000