參考SQL2005, 2008和2012的系統存儲過程master.sys.sp_spaceused代碼后，寫了下面一條語句來方便平時統計所有用戶表尺寸大小。可以結合sp_MSforeachdb再遍歷所有用戶數據庫查看所有表的尺寸大小，注意它的參數@sql不能超過nvarchar(2000)，這里就不貼出代碼了。另外還可以定期運行并將結果保存下來，以便觀察數據變化趨勢。

查詢單個數據庫的所有用戶表尺寸大小：

Select @@servername as ServerName,db_name() as DBName ,object_id as ObjectID, schema_name(schema_id) as SchName, name as TableName,Rowcnt as Rows,Columns,Indexes,RowLength,ReservedKb, TableUsedKb,UsedKb-TableUsedKb as IndexUsedKb,ReservedKb-UsedKb as UnusedKb,create_date as CreateDate,modify_date as LastModifiedDate, getutcdate() as TrackingUTCTimeFrom(selectobject_id,schema_id,name ,(Select max(row_count) from sys.dm_db_partition_stats p with(nolock) where p.object_id=t.object_id and p.index_id < 2)  as Rowcnt,(Select Count(1) from dbo.syscolumns with(nolock) where id = t.object_id) as Columns,(Select Count(distinct index_id) from sys.dm_db_partition_stats p with(nolock) where p.object_id=t.object_id) as Indexes,(SELECT SUM(length) FROM dbo.syscolumns with(nolock) WHERE id = t.object_id) as RowLength,IsNull((Select SUM(reserved_page_count) from sys.dm_db_partition_stats p with(nolock) where p.object_id=t.object_id),0)*8+ IsNull((Select sum(reserved_page_count)FROM sys.dm_db_partition_stats p2 with(nolock)inner join sys.internal_tables it with(nolock) on p2.object_id = it.object_idWHERE it.parent_id = t.object_id AND it.internal_type IN (202,204,207,211,212,213,214,215,216,221,222,236)),0)* 8 as ReservedKb,IsNull((Select SUM(in_row_data_page_count + lob_used_page_count + row_overflow_used_page_count) from sys.dm_db_partition_stats p with(nolock) where p.object_id=t.object_id and p.index_id < 2),0)* 8 as TableUsedKb,IsNull((Select SUM(used_page_count) from sys.dm_db_partition_stats p with(nolock) where p.object_id=t.object_id),0)*8+ IsNull((Select sum(used_page_count)FROM sys.dm_db_partition_stats p2 with(nolock)inner join sys.internal_tables it with(nolock) on p2.object_id = it.object_idWHERE it.parent_id = t.object_id AND it.internal_type IN (202,204,207,211,212,213,214,215,216,221,222,236)),0)* 8 as UsedKb,create_date,modify_datefrom sys.tables t with(nolock) where Type='U') Aorder by ReservedKb desc