16.20 - Conditions That Produce a Null Result - 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)

SKEW is valid only for numeric data.

Nulls are not included in the result computation.

The following conditions product a null result:

  • Fewer than three non-null data points in the data used for the computation
  • STDDEV_SAMP(x) = 0
  • Division by zero