Problems With Missing Data - Advanced SQL Engine - Teradata Database

SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Published
July 2021
Language
English (United States)
Last Update
2021-07-28
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SQL_Functions__Expressions__and_Predicates.Upload_071421/djk1612415574830.ditamap
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SQL_Functions__Expressions__and_Predicates.Upload_071421/wrg1590696035526.ditaval
dita:id
B035-1145
lifecycle
previous
Product Category
Teradata Vantageā„¢

Ensure that rows you analyze using MDIFF have no missing data points. Computing a moving difference 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.