Merge two columns from two tables into one

Question

I\'m trying to sort by two different columns from two different tables. This is the situtation:

I have 1 table \'shops\' with a column called \'shopy\', an INT colu

Answer 1

 SELECT shopy as y FROM shops
 UNION ALL
 SELECT y FROM infra
 ORDER BY y ASC

for Descending order write Order by y DESC.

Demo at http://sqlfiddle.com/#!2/62884/1