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(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_datefrom
sys.tables t with(nolock) where
Type=‘U‘) Aorder
by
ReservedKb desc |
原文：http://www.cnblogs.com/drc/p/drc.html