Set Operators in Subqueries Example 7 - Teradata Vantage

Teradata® VantageCloud Lake
Deployment
VantageCloud
Edition
Lake
Product
Teradata Vantage
Published
January 2023
Language
English (United States)
Last Update
2024-04-03
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UPDATE table_1 
SET x1=1 
WHERE table_1.x1 IN 
(SELECT x2 
FROM table_2 
UNION
SELECT x3 
FROM table_3 
UNION 
SELECT x4 
FROM table_4);