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

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 AS "real" UNION SELECT CAST('2.2' AS REAL);
 real
------
    1
  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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