16.20 - Example: Returning a DECIMAL(38,2) Result - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Release Date
March 2019
Content Type
Programming Reference
Publication ID
B035-1145-162K
Language
English (United States)

In the following query, the CASE expression returns a DECIMAL(38,2) result because the THEN  and  ELSE clauses contain DECIMAL values:

   SELECT SUM (CASE
                WHEN column_2=1 
                THEN column_3 * 6
                ELSE column_3
               END )
   FROM dec22;