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：

复制代码 代码如下:

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 TrackingUTCTime

From

(select

object_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_id

WHERE 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_id

WHERE 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_date

from sys.tables t with(nolock)

where Type='U'

) A

order by ReservedKb desc

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