Calc table storage for SQL Server

DECLARE @sql as varchar(max)
SET @sql =’
SELECT
@@SERVERNAME DBServer,
NULL AS DBName,
NULL AS TableName,
NULL AS SchemaName,
0 rows,
0.00 AS TotalSpaceKB,
0.00 AS TotalSpaceMB,
0.00 AS UsedSpaceKB,
0.00 AS UsedSpaceMB,
0.00 AS UnusedSpaceKB,
0.00 AS UnusedSpaceMB ‘

SELECT @sql=@sql+’ UNION ALL
SELECT
@@SERVERNAME DBServer
, ”’ + name + ”’ COLLATE DATABASE_DEFAULT AS DBName,
t.NAME COLLATE DATABASE_DEFAULT AS TableName,
s.Name COLLATE DATABASE_DEFAULT AS SchemaName,
p.rows,
SUM(a.total_pages) * 8 AS TotalSpaceKB,
CAST(ROUND(((SUM(a.total_pages) * 8) / 1024.00), 2) AS NUMERIC(36, 2)) AS TotalSpaceMB,
SUM(a.used_pages) * 8 AS UsedSpaceKB,
CAST(ROUND(((SUM(a.used_pages) * 8) / 1024.00), 2) AS NUMERIC(36, 2)) AS UsedSpaceMB,
(SUM(a.total_pages) – SUM(a.used_pages)) * 8 AS UnusedSpaceKB,
CAST(ROUND(((SUM(a.total_pages) – SUM(a.used_pages)) * 8) / 1024.00, 2) AS NUMERIC(36, 2)) AS UnusedSpaceMB
FROM
‘ + name + ‘.sys.tables t
INNER JOIN
‘ + name + ‘.sys.indexes i ON t.OBJECT_ID = i.object_id
INNER JOIN
‘ + name + ‘.sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
INNER JOIN
‘ + name + ‘.sys.allocation_units a ON p.partition_id = a.container_id
LEFT OUTER JOIN
‘ + name + ‘.sys.schemas s ON t.schema_id = s.schema_id
WHERE
t.NAME NOT LIKE ”dt%”
AND t.is_ms_shipped = 0
AND i.OBJECT_ID > 255
GROUP BY
t.Name, s.Name, p.Rows
‘ + char(10)
FROM sys.databases
WHERE name NOT IN (‘ReportServer’,’ReportServerTempDB’,’tempdb’,’master’,’model’,’msdb’)
and has_dbaccess(name)=1

EXEC(@sql)

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