SQL - View to Determine Table Sizes. Get Table Sizes in SQL.

Original Post
http://stackoverflow.com/questions/7892334/get-size-of-all-tables-in-database

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SELECT        TableName, SchemaName, RowCounts, TotalSpaceKB, UsedSpaceKB, UnusedSpaceKB
FROM            (SELECT        TOP (100) PERCENT 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 AS t INNER JOIN
                                                    sys.indexes AS i ON t.object_id = i.object_id INNER JOIN
                                                    sys.partitions AS p ON i.object_id = p.object_id AND i.index_id = p.index_id INNER JOIN
                                                    sys.allocation_units AS a ON p.partition_id = a.container_id LEFT OUTER JOIN
                                                    sys.schemas AS 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 TableName) AS Size
ORDER BY UsedSpaceKB desc
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