16.20 - Conditions That Produce a Null Result - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Functions, Expressions, and Predicates

Advanced SQL Engine
Teradata Database
Release Number
Release Date
March 2019
Content Type
Programming Reference
Publication ID
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