STDDEV_POP Function Syntax | Teradata Vantage - 17.10 - STDDEV_POP Function Syntax - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - 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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STDDEV_POP ( [ DISTINCT | ALL ] value_expression )

Syntax Elements

DISTINCT
To exclude duplicates of value_expression from the computation.
ALL
Include all values that are not null specified by value_expression, including duplicates, in the computation. This is the default.
value_expression
A numeric literal or column expression whose population standard deviation is to be computed.
The value_expression cannot be a reference to a view column derived from a function, and cannot contain any ordered analytical or aggregate functions.

Return Values

This function returns the REAL data type.
  • If the value_expression is character, the format is the default format for FLOAT.
  • If the value_expression is numeric, date, or interval, the format is the same format as x.
  • If the value_expression is UDT, the format is the format for the data type to which the UDT is implicitly cast.