如题,在一台服务器上约创建有100个数据库,如何编写脚本一次性查看所有数据库的初始大小?我是这样想的:
select name,'use '+name+char(10)+' exec sp_spaceused union all' from sys.databases
可是,有问题,请教如何正确编写,谢谢。
select name,'use '+name+char(10)+' exec sp_spaceused union all' from sys.databases
可是,有问题,请教如何正确编写,谢谢。
declare @sql varchar(4000)
select @sql=isnull(@sql,'')+' use '+name+char(10)+' exec sp_spaceused ' from sys.databases
--print @sql
exec(@sql)
----------------------------------------------------
--修改下系统的存储sp_spaceused
create procedure [dbo].[sp_spaceused_2]
as
begin
declare @type character(2) -- The object type.
,@pages bigint -- Working variable for size calc.
,@dbname sysname
,@dbsize bigint
,@logsize bigint
,@reservedpages bigint
,@usedpages bigint
,@rowCount bigint
select @dbsize = sum(convert(bigint,case when status & 64 = 0 then size else 0 end))
, @logsize = sum(convert(bigint,case when status & 64 <> 0 then size else 0 end))
from dbo.sysfiles select @reservedpages = sum(a.total_pages),
@usedpages = sum(a.used_pages),
@pages = sum(
CASE
-- XML-Index and FT-Index-Docid is not considered "data", but is part of "index_size"
When it.internal_type IN (202,204) Then 0
When a.type <> 1 Then a.used_pages
When p.index_id < 2 Then a.data_pages
Else 0
END
)
from sys.partitions p join sys.allocation_units a on p.partition_id = a.container_id
left join sys.internal_tables it on p.object_id = it.object_id
select
database_name = db_name(),
database_size = ltrim(str((convert (dec (15,2),@dbsize) + convert (dec (15,2),@logsize))
* 8192 / 1048576,15,2) + ' MB'),
'unallocated space' = ltrim(str((case when @dbsize >= @reservedpages then
(convert (dec (15,2),@dbsize) - convert (dec (15,2),@reservedpages))
* 8192 / 1048576 else 0 end),15,2) + ' MB'),
reserved = ltrim(str(@reservedpages * 8192 / 1024.,15,0) + ' KB'),
data = ltrim(str(@pages * 8192 / 1024.,15,0) + ' KB'),
index_size = ltrim(str((@usedpages - @pages) * 8192 / 1024.,15,0) + ' KB'),
unused = ltrim(str((@reservedpages - @usedpages) * 8192 / 1024.,15,0) + ' KB')
return (0) -- sp_spaceused
end----------------------------------------------------
if object_id('#tab') is not null drop table #tab
go
create table #tab
(
databasename varchar(30),
database_size varchar(20),
unallocated_space varchar(20),
reserved varchar(20),
data varchar(20),
index_size varchar(20),
unused varchar(20)
)
go
declare @sql nvarchar(4000)
select @sql=isnull(@sql,'')+' insert into #tab exec sp_executesql N''use '+name+' exec [dbo].[sp_spaceused_2]''' from sys.databases
exec(@sql)
select * from #tab
declare @sql varchar(4000)
select @sql=isnull(@sql,'')+' use '+name+char(10)+' exec sp_spaceused ' from sys.databases
--print @sql
exec(@sql)
如果要当前大小。你拿去拼接一下应该可以了 select str(sum(convert(dec(17,2),size)) / 128,10,2) + 'MB'
from dbo.sysfiles
GO