create table #Data(name varchar(100),row varchar(100),reserved varchar(100),data varchar(100),index_size varchar(100),unused varchar(100))

declare cur cursor for

select name from sysobjects where xtype='u' order by name

fetch next from cur into @name

while @@fetch_status=0 
begin 
    insert into #data 
    exec sp_spaceused @name 
    fetch next from cur into @name 
end 
close cur 
deallocate cur 

create table #DataNew(name varchar(100),row int,reserved int,data int,index_size int,unused int) 
insert into #dataNew 
select

  name,convert(int,row) as row,convert(int,replace(reserved,'KB','')) as reserved,

  convert(int,replace(data,'KB','')) as data,

  convert(int,replace(index_size,'KB','')) as index_size,

  convert(int,replace(unused,'KB','')) as unused

from #data 

select * from #dataNew order by data desc

drop table #Data

drop table #DataNew