16.20 - Problems with Missing Data - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Release Date
March 2019
Content Type
Programming Reference
Publication ID
B035-1145-162K
Language
English (United States)

Make sure that data you analyze has no missing data points. Computing a moving function over data with missing points produces unexpected and incorrect results because the computation considers n physical rows of data rather than n logical data points.