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

Teradata Vantageā„¢ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1145-171K
Language
English (United States)
SKEW ( [ DISTINCT | ALL ] value_expression )

Syntax Elements

DISTINCT
Null and duplicate values specified by value_expression are eliminated from the computation for the group.
ALL
All values of value_expression that are not null, including duplicates, are included in the computation.
value_expression
A literal or column expression for which the skewness of the distribution of its values 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.