Table Size 확인 쿼리
SELECT t.NAME AS TableName
, s.Name AS SchemaName
, p.rows
, CAST(ROUND(((SUM(a.total_pages) * 8) / 1024.00), 2) AS NUMERIC(36, 2)) AS TotalSpaceMB
, CAST(ROUND(((SUM(a.total_pages) * 8) / 1024.00/1024), 2) AS NUMERIC(36, 2)) AS TotalSpaceGB
, CAST(ROUND(((SUM(a.used_pages) * 8) / 1024.00), 2) AS NUMERIC(36, 2)) AS UsedSpaceMB
, CAST(ROUND(((SUM(a.used_pages) * 8) / 1024.00/1024), 2) AS NUMERIC(36, 2)) AS UsedSpaceGB
, CAST(ROUND(((SUM(a.total_pages) - SUM(a.used_pages)) * 8) / 1024.00, 2) AS NUMERIC(36, 2)) AS UnusedSpaceMB 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 TotalSpaceMB DESC
, t.Name
https://stackoverflow.com/questions/7892334/get-size-of-all-tables-in-database/7892349