T-SQL Size used by Table and Row Counts

USE [YourDBName] -- replace your dbname

GO

SELECT

s.Name AS SchemaName,

t.Name AS TableName,

p.rows AS RowCounts,

CAST(ROUND((SUM(a.used_pages) / 128.00), 2) AS NUMERIC(36, 2)) AS Used_MB,

CAST(ROUND((SUM(a.total_pages) - SUM(a.used_pages)) / 128.00, 2) AS NUMERIC(36, 2)) AS Unused_MB,

CAST(ROUND((SUM(a.total_pages) / 128.00), 2) AS NUMERIC(36, 2)) AS Total_MB

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

INNER JOIN sys.schemas s ON t.schema_id = s.schema_id

GROUP BY t.Name, s.Name, p.Rows

ORDER BY s.Name, t.Name

GO

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