简单的语句统计所有用户表尺寸大小

参考SQL2005, 2008和2012的系统存储过程master.sys.sp_spaceused代码后，写了下面一条语句来方便平时统计所有用户表尺寸大小。可以结合sp_MSforeachdb再遍历所有用户数据库查看所有表的尺寸大小，注意它的参数@sql不能超过nvarchar(2000)，这里就不贴出代码了。另外还可以定期运行并将结果保存下来，以便观察数据变化趋势。

查询单个数据库的所有用户表尺寸大小：

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