SELECT
t.NAME AS TableName
,i.name as indexName
,sum(p.rows) as RowCounts
,sum(a.total_pages) as TotalPages
,sum(a.used_pages) as UsedPages
,sum(a.data_pages) as DataPages
,(sum(a.total_pages) * 8) / 1024 as TotalSpaceMB
,(sum(a.used_pages) * 8) / 1024 as UsedSpaceMB
,(sum(a.data_pages) * 8) / 1024 as DataSpaceMB
FROM sys.tables t
INNER JOIN sys.indexes i ON t.OBJECT_ID = i.object_id
INNER JOIN sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
INNER JOIN sys.allocation_units a ON p.partition_id = a.container_id
WHERE t.NAME NOT LIKE 'dt%'
AND i.OBJECT_ID > 255
AND i.index_id <= 1
GROUP BY
t.NAME, i.object_id, i.index_id, i.name
ORDER BY SUM(a.total_pages) DESC