T SQL Conditional String Concatenation

Question

Have a 5 columns of address data. I need to concatenate these fields into a single address with spaces in between the values if they exist. If the column has a null value

Answer 1

Something along the lines of:

select coalesce(street_number+' ','')+
       coalesce(case when street_ext=50 then '1/2' else null end+' ','')+
       coalesce(street_direct+' ','')+
       coalesce(site_street+' ','')+
       coalesce(site_address,'')
from parcel