16.20 - Example: Using a CASE Expression - 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)

A CASE expression can be used in place of any value-expression.

   SELECT *
   FROM t
   WHERE x = CASE y
              WHEN 2
              THEN 1001
              WHEN 5
              THEN 1002
             END;