sql语句在sql server中查询每个表的记录数,占用的空间,索引占用的空间等
作者:本站编辑
发布时间:2010-08-08
来源:本站原创
点击数:
本工具可以快速的实现数据表全库的查询
-- 查询数据库
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