SQL Table Sizes

SQLTableSizes.sql

SELECT 
	t.NAME AS TableName, 
	s.Name AS SchemaName, 
	p.rows AS RowCounts, 
	SUM(a.total_pages) * 8 AS TotalSpaceKB,
	SUM(a.used_pages) * 8 AS UsedSpaceKB,
	(SUM(a.total_pages) - SUM(a.used_pages)) * 8 AS UnusedSpaceKB 
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
	LEFT OUTER JOIN 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 ORDER BY RowCounts desc