AllTables_space and storage

-- AllTables_space and storage
 -- https://qastack.ru/server/13694/how-do-i-determine-the-size-of-my-sql-server-database
     /*
    vwTableInfo - Table Information View

 This view display space and storage information for every table in a SQL Server 2005 database.
Columns are:
    Schema
    Name
    Owner       may be different from Schema)
    Columns     count of the max number of columns ever used)
    HasClusIdx  1 if table has a clustered index, 0 otherwise
    RowCount
    IndexKB     space used by the table's indexes
    DataKB      space used by the table's data

 16-March-2008, [email protected]
 31-January-2009, Edited for better formatting
*/
--CREATE VIEW vwTableInfo
-- AS

    SELECT SCHEMA_NAME(tbl.schema_id) as [Schema]
    , tbl.Name
    , Coalesce((Select pr.name
            From sys.database_principals pr
            Where pr.principal_id = tbl.principal_id)
        , SCHEMA_NAME(tbl.schema_id)) as [Owner]
    , tbl.max_column_id_used as [Columns]
    , CAST(CASE idx.index_id WHEN 1 THEN 1 ELSE 0 END AS bit) AS [HasClusIdx]
    , Coalesce( (Select sum (spart.rows) from sys.partitions spart
        Where spart.object_id = tbl.object_id and spart.index_id < 2), 0) AS [RowCount]

    , Coalesce( (Select Cast(v.low/1024.0 as float)
        * SUM(a.used_pages - CASE WHEN a.type <> 1 THEN a.used_pages WHEN p.index_id < 2 THEN a.data_pages ELSE 0 END)
            FROM sys.indexes as i
             JOIN sys.partitions as p ON p.object_id = i.object_id and p.index_id = i.index_id
             JOIN sys.allocation_units as a ON a.container_id = p.partition_id
            Where i.object_id = tbl.object_id  )
        , 0.0) AS [IndexKB]

    , Coalesce( (Select Cast(v.low/1024.0 as float)
        * SUM(CASE WHEN a.type <> 1 THEN a.used_pages WHEN p.index_id < 2 THEN a.data_pages ELSE 0 END)
            FROM sys.indexes as i
             JOIN sys.partitions as p ON p.object_id = i.object_id and p.index_id = i.index_id
             JOIN sys.allocation_units as a ON a.container_id = p.partition_id
            Where i.object_id = tbl.object_id)
        , 0.0) AS [DataKB]
    , tbl.create_date, tbl.modify_date

     FROM sys.tables AS tbl
      INNER JOIN sys.indexes AS idx ON (idx.object_id = tbl.object_id and idx.index_id < 2)
      INNER JOIN master.dbo.spt_values v ON (v.number=1 and v.type='E')
-- PV
ORDER BY
Coalesce( (Select sum (spart.rows) from sys.partitions spart
        Where spart.object_id = tbl.object_id and spart.index_id < 2), 0)
        DESC