SELECT Location
FROM Table1
CROSS JOIN
( VALUES (1),(2),(3),(4)
) AS four(dummy)
Si el 4
no es una constante pero (como notó/preguntó @xQbert) es el número de filas de la tabla, puede usar esto:
SELECT a.Location
FROM Table1 AS a
CROSS JOIN
Table1 AS b
Si no tiene Table1
pero cualquier consulta (por compleja que sea), puede usar esto para 4 copias:
SELECT Location
FROM (
SELECT Location --- complex query here
... --- inside parenthesis
UNION
SELECT Country
...
) AS Table1
CROSS JOIN
( VALUES (1),(2),(3),(4)
) AS four(dummy)
o esto para n
copias:
WITH cte AS
( SELECT Location --- complex query here
... --- inside parenthesis
UNION
SELECT Country
...
)
SELECT a.Location
FROM cte AS a
CROSS JOIN
cte AS b