Example: Decoding IDs Using NULL - 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
ft:locale
en-US
ft:lastEdition
2024-01-12
dita:mapPath
obm1628111499646.ditamap
dita:ditavalPath
qkf1628213546010.ditaval
dita:id
kby1472250656485
lifecycle
latest
Product Category
Teradata Vantageā„¢

The following query

SELECT DECODE(country_id, 1, 'United States', 
                          2, 'England')
    FROM customers; 

returns:

  • 'United States' if the country_id is 1
  • 'England' if country_id is 2
  • NULL if country_id isn't in the range 1 to 2