例 - Teradata Vantage NewSQL Engine - Teradata Database - 集合演算子、SUBQUERYの例。

Teradata Vantage™ SQLデータ操作言語
Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Published
2019年3月
ft:locale
ja-JP
ft:lastEdition
2019-10-29
dita:mapPath
ja-JP/fbo1512081269404.ditamap
dita:ditavalPath
ja-JP/fbo1512081269404.ditaval
dita:id
B035-1146
Product Category
Software
Teradata Vantage
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);