查看MSSQL 数据库 用户每个表 占用的空间大小

最近做项目需要查看数据用户表的大小，包括记录条数和占用的磁盘空间数目。在网上找了很久其中查看MSSQL数据库每个表占用的空间大小 相对还可以。

不过它的2、3中方法返回的数据比较多，有些是我们不关心的数据，我在AdventureWorks2012数据上做的测试。其中第二种方法代码如下：

 

View Code

if not exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[tablespaceinfo]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
create table tablespaceinfo --创建结果存储表
(nameinfo varchar(50) ,
rowsinfo int , reserved varchar(20) ,
datainfo varchar(20) ,
index_size varchar(20) ,
unused varchar(20) )

delete from tablespaceinfo --清空数据表

declare @tablename varchar(255) --表名称

declare @cmdsql varchar(500)

DECLARE Info_cursor CURSOR FOR
select o.name
from dbo.sysobjects o where OBJECTPROPERTY(o.id, N'IsTable') = 1
and o.name not like N'#%%' order by o.name

OPEN Info_cursor

FETCH NEXT FROM Info_cursor
INTO @tablename

WHILE @@FETCH_STATUS = 0
BEGIN

if exists (select * from dbo.sysobjects where id = object_id(@tablename) and OBJECTPROPERTY(id, N'IsUserTable') = 1)
execute sp_executesql
N'insert into tablespaceinfo exec sp_spaceused @tbname',
N'@tbname varchar(255)',
@tbname = @tablename

FETCH NEXT FROM Info_cursor
INTO @tablename
END

CLOSE Info_cursor
DEALLOCATE Info_cursor
GO

--itlearner注：显示数据库信息
sp_spaceused @updateusage = 'TRUE'

--itlearner注：显示表信息
select *
from tablespaceinfo
order by cast(left(ltrim(rtrim(reserved)) , len(ltrim(rtrim(reserved)))-2) as int) desc

 

运行效果如图：



很显然这个返回结果是错误的。但是它提供了一种思路，修改后的SQL语句如下：

 

IF NOT EXISTS ( SELECT  *
FROM    sys.tables
WHERE   name = 'tablespaceinfo' )
BEGIN
CREATE TABLE tablespaceinfo --创建结果存储表
(
Table_Name VARCHAR(50) ,
Rows_Count INT ,
reserved INT ,
datainfo INT ,
index_size INT ,
unused INT
)
END
DELETE  FROM tablespaceinfo
--清空数据表

CREATE TABLE #temp --创建结果存储表
(
nameinfo VARCHAR(50) ,
rowsinfo INT ,
reserved VARCHAR(20) ,
datainfo VARCHAR(20) ,
index_size VARCHAR(20) ,
unused VARCHAR(20)
)
DECLARE @tablename VARCHAR(255)
--表名称

DECLARE @cmdsql NVARCHAR(500)

DECLARE Info_cursor CURSOR
FOR
SELECT  '[' + TABLE_SCHEMA + '].[' + TABLE_NAME + ']' AS Table_Name
FROM    [INFORMATION_SCHEMA].[TABLES]
WHERE   TABLE_TYPE = 'BASE TABLE'
AND TABLE_NAME <> 'tablespaceinfo'

OPEN Info_cursor

FETCH NEXT FROM Info_cursor
INTO @tablename

WHILE @@FETCH_STATUS = 0
BEGIN
SET @cmdsql = 'insert into #temp exec sp_spaceused ''' + @tablename
+ ''''
EXECUTE sp_executesql @cmdsql
FETCH NEXT FROM Info_cursor
INTO @tablename
END

CLOSE Info_cursor
DEALLOCATE Info_cursor
GO

--itlearner注：显示数据库信息
--sp_spaceused @updateusage = 'TRUE'
--itlearner注：显示表信息

UPDATE  #temp
SET     reserved = REPLACE(reserved, 'KB', '') ,
datainfo = REPLACE(datainfo, 'KB', '') ,
index_size = REPLACE(index_size, 'KB', '') ,
unused = REPLACE(unused, 'KB', '')

INSERT  INTO dbo.tablespaceinfo
SELECT  nameinfo ,
CAST(rowsinfo AS INT) ,
CAST(reserved AS INT) ,
CAST(datainfo AS INT) ,
CAST(index_size AS INT) ,
CAST(unused AS INT)
FROM    #temp

DROP TABLE #temp
SELECT  Table_Name ,
Rows_Count ,
CASE WHEN reserved > 1024
THEN CAST(reserved / 1024 AS VARCHAR(10)) + 'Mb'
ELSE CAST(reserved AS VARCHAR(10)) + 'KB'
END AS Data_And_Index_Reserved ,
CASE WHEN datainfo > 1024
THEN CAST(datainfo / 1024 AS VARCHAR(10)) + 'Mb'
ELSE CAST(datainfo AS VARCHAR(10)) + 'KB'
END AS Used ,
CASE WHEN Index_size > 1024
THEN CAST(index_size / 1024 AS VARCHAR(10)) + 'Mb'
ELSE CAST(index_size AS VARCHAR(10)) + 'KB'
END AS index_size ,
CASE WHEN unused > 1024 THEN CAST(unused / 1024 AS VARCHAR(10)) + 'Mb'
ELSE CAST(unused AS VARCHAR(10)) + 'KB'
END AS unused
FROM    dbo.tablespaceinfo
ORDER BY reserved DESC

运行结果如图：



同时他的第三种方法返回的数据太多，很多是我们不怎么关心的，原SQL语句如下：

 

SELECT  OBJECT_NAME(id) tablename ,
8 * reserved / 1024 reserved ,
RTRIM(8 * dpages / 1024) + 'Mb' used ,
8 * ( reserved - dpages ) / 1024 unused ,
8 * dpages / 1024 - rows / 1024 * minlen / 1024 free ,
rows
FROM    sysindexes
WHERE   indid = 1
ORDER BY reserved DESC

运行结果如图：



这里面包含一些索引信息，其实我们只关心表占用磁盘信息，修改后的SQL语句如下：

 

SELECT  OBJECT_NAME(id) tablename ,
CASE WHEN reserved * 8 > 1024 THEN RTRIM(8 * reserved / 1024) + 'MB'
ELSE RTRIM(reserved * 8) + 'KB'
END DataReserve ,
CASE WHEN dpages * 8 > 1024 THEN RTRIM(8 * dpages / 1024) + 'MB'
ELSE RTRIM(dpages * 8) + 'KB'
END Used ,
CASE WHEN 8 * ( reserved - dpages ) > 1024
THEN RTRIM(8 * ( reserved - dpages ) / 1024) + 'MB'
ELSE RTRIM(8 * ( reserved - dpages )) + 'KB'
END unused ,
CASE WHEN ( 8 * dpages / 1024 - rows / 1024 * minlen / 1024 ) > 1024
THEN RTRIM(( 8 * dpages / 1024 - rows / 1024 * minlen / 1024 )
/ 1024) + 'MB'
ELSE RTRIM(( 8 * dpages / 1024 - rows / 1024 * minlen / 1024 ))
+ 'KB'
END FREE ,
rows AS Rows_Count
FROM    sys.sysindexes
WHERE   indid = 1
AND status = 2066 -- status='18'
ORDER BY reserved DESC

运行结果如下：



有不对的地方欢迎大家拍砖！

看了zjeagle的回复很好，于是把他的回复贴在下面：exec sp_MSForEachTable@precommand=N' create table ##(id int identity,表名 sysname,字段数 int,记录数 int,保留空间 Nvarchar(10),使用空间 varchar(10),索引使用空间 varchar(10),未用空间 varchar(10))',@command1=N'insert ##(表名,记录数,保留空间,使用空间,索引使用空间,未用空间) exec sp_spaceused
''?'' update ## set 字段数=(select count(*) from syscolumns where id=object_id(''?'')) where id=scope_identity()',@postcommand=N'select * from ## order by convert(INT,replace(保留空间,"KB","")) desc drop table ##'