Type Resolution in a Transposed Union : UNION « Select Query « PostgreSQL

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PostgreSQL » Select Query » UNION   Type Resolution in a Transposed Union postgres=# -- Type Resolution in a Transposed Union postgres=# postgres=# SELECT 1 AS "real" UNION SELECT CAST('2.2' AS REAL);  real ------     1   2.2 (2 rows) postgres=# postgres=#                     Related examples in the same category 1.  Using UNION for two data sets 2.  SELECT text 'a' AS "text" UNION SELECT 'b'

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