SQL查看所有表的大小

--查看所有表的大小
declare @id int

declare @type character(2) 

declare @pages int 

declare @dbname sysname

declare @dbsize dec(15,0)

declare @bytesperpage dec(15,0)

declare @pagesperMB dec(15,0)

create table #spt_space

(

[objid] int null,

[rows] int null,

[reserved] dec(15) null,

[data] dec(15) null,

[indexp] dec(15) null,

[unused] dec(15) null

)

set nocount on

-- Create a cursor to loop through the user tables

declare c_tables cursor for

select id from sysobjects where xtype = 'U'

open c_tables fetch next from c_tables into @id

while @@fetch_status = 0

begin

/* Code from sp_spaceused */

insert into #spt_space (objid, reserved)

select objid = @id, sum(reserved)

from sysindexes

where indid in (0, 1, 255) and id = @id

select @pages = sum(dpages)

from sysindexes

where indid < 2

and id = @id

select @pages = @pages + isnull(sum(used), 0)

from sysindexes

where indid = 255 and id = @id

update #spt_space set data = @pages

where objid = @id

/* index: sum(used) where indid in (0, 1, 255) - data */

update #spt_space

set indexp = (select sum(used)

from sysindexes

where indid in (0, 1, 255)

and id = @id) - data

where objid = @id

/* unused: sum(reserved) - sum(used) where indid in (0, 1, 255) */

update #spt_space

set unused = reserved - (

select sum(used)

from sysindexes

where indid in (0, 1, 255) and id = @id

)

where objid = @id

update #spt_space set [rows] = i.[rows]

from sysindexes i

where i.indid < 2 and i.id = @id and objid = @id 

fetch next from c_tables into @id

end

select TableName = (select left(name,60) from sysobjects where id = objid),

[Rows] = convert(char(11), rows),

ReservedKB = ltrim(str(reserved * d.low / 1024.,15,0) + ' ' + 'KB'),

DataKB = ltrim(str(data * d.low / 1024.,15,0) + ' ' + 'KB'),

IndexSizeKB = ltrim(str(indexp * d.low / 1024.,15,0) + ' ' + 'KB'),

UnusedKB = ltrim(str(unused * d.low / 1024.,15,0) + ' ' + 'KB')

from #spt_space, master.dbo.spt_values d

where d.number = 1

and d.type = 'E'

order by reserved desc

drop table #spt_space

close c_tables

deallocate c_tables