Problems with Missing Data

Teradata Vantageā„¢ SQL Functions, Expressions, and Predicates

brand
Software
Teradata Vantage
prodname
Teradata Database
Teradata Vantage NewSQL Engine
vrm_release
16.20
category
Programming Reference
featnum
B035-1145-162K

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.