SQL-besteladres op huisnummer

Probeer aub:

select *
From tbl
order by cast(Left(Col, PatIndex('%[^0-9]%', Col)) as int)

SQL Fiddle-demo

Probeer voor MySql:

select *
From tbl
order by convert(SUBSTRING_INDEX(Col, ' ', 1), UNSIGNED INTEGER)

MySql Fiddle