DECODE Function Syntax | Teradata Vantage - DECODE Function Syntax - Analytics Database - Teradata Vantage

SQL Functions, Expressions, and Predicates

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Analytics Database
Teradata Vantage
Release Number
17.20
Published
June 2022
Language
English (United States)
Last Update
2024-01-12
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lifecycle
latest
Product Category
Teradata Vantage™
[TD_SYSFNLIB.] DECODE (expr, search_result [,...] default )

Syntax Elements

search_result
search, result,
TD_SYSFNLIB.
Name of the database where the function is located.
expr
A numeric or character expresssion.
  • If expr is equal to one of the search arguments, the function returns the corresponding result value.
  • If expr is not equal to any of the search arguments, the functions returns default, if the default value is specified.
  • If expr is NULL, the function returns the result of the first search parameter that is NULL.
search
A numeric or character expresssion.
DECODE supports 1-10 search arguments tied to an equal number of result arguments.
result
A numeric or character expresssion.
DECODE supports 1-10 result arguments tied to an equal number of search arguments.
default
A numeric or character expresssion.
If default is not specified and there are no matches, the function returns NULL.