16.20 - Conditions That Produce a NULL Return Value - Teradata Vantage NewSQL Engine

Teradata Vantageā„¢ SQL Functions, Expressions, and Predicates

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

The following conditions produce a null return value:

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