Set Operators in View Definitions Examples - 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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Example

REPLACE VIEW v AS
   SELECT x1
   FROM TABLE_1
   UNION
   SELECT x2
   FROM TABLE_2
   UNION;
   SELECT x3
   FROM TABLE_3;

SELECT * FROM v;

Example

REPLACE VIEW view_2 AS 
   SELECT * 
   FROM view_1
   UNION 
   SELECT * 
   FROM table_3 
   UNION 
   SELECT * 
   FROM table_4;

SELECT * 
FROM view_2 
ORDER BY 1,2;

Example

REPLACE VIEW v AS 
   SELECT x1 
   FROM table_1 
   WHERE x1 IN 
    (SELECT x2 
     FROM table_2
     UNION
     SELECT x3 
     FROM table_3
    );
SELECT * FROM v;