declare @tablename varchar(100),@tableschema varchar(100), @tt varchar(100)
DECLARE @partitions bigint;
declare @Space table (
name varchar(100), rows nvarchar(100), reserved varchar(100), data varchar(100), index_size varchar(100), unused varchar(100)
)

select s.name as tableschema, o.name as tablename
into #work_to_do
FROM sys.objects as o
JOIN sys.schemas as s ON s.schema_id = o.schema_id
WHERE o.type_desc = ‘USER_TABLE’
order by o.name

DECLARE partitions CURSOR FOR SELECT * FROM #work_to_do;

OPEN partitions;

WHILE (1=1)
BEGIN;
FETCH NEXT
FROM partitions
INTO @tableschema, @tablename;
IF @@FETCH_STATUS < 0 BREAK;
SET @tt = @tableschema + N’.’ + @tablename
insert into @Space exec sp_spaceused @tt
END;
update @Space set data = replace(data, ‘ KB’,”)
update @Space set data = convert(int, data)/1000

update @Space set reserved = replace(reserved, ‘ KB’,”)
update @Space set reserved = convert(int, reserved)/1000

update @Space set index_size = replace(index_size, ‘ KB’,”)
update @Space set index_size = convert(int, index_size)/1000

update @Space set unused = replace(unused, ‘ KB’,”)
update @Space set unused = convert(int, unused)/1000

CLOSE partitions;
DEALLOCATE partitions;
drop table #work_to_do

select top 500 * from @Space order by convert(int, data) desc

select * from @Space where data NOT LIKE ‘0 MB’ order by convert(int, replace(data, ‘ MB’, ”)) desc

greatly appreciated – works like a charm