13518219792
创建存储过程：
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CREATE PROCEDURE [dbo].[sys_viewTableSpace]
AS
BEGIN
SET NOCOUNT ON;
CREATE TABLE [dbo].#tableinfo(
表名 [varchar](50) COLLATE Chinese_PRC_CI_AS NULL,
记录数 [int] NULL,
预留空间 [varchar](50) COLLATE Chinese_PRC_CI_AS NULL,
使用空间 [varchar](50) COLLATE Chinese_PRC_CI_AS NULL,
索引占用空间 [varchar](50) COLLATE Chinese_PRC_CI_AS NULL,
未用空间 [varchar](50) COLLATE Chinese_PRC_CI_AS NULL
)
insert into #tableinfo(表名, 记录数, 预留空间, 使用空间, 索引占用空间, 未用空间)
exec sp_MSforeachtable "exec sp_spaceused '?'"
select * from #tableinfo
order by 记录数 desc
drop table #tableinfo
END
使用的时候直接 ：exec sys_viewtablespace
表的大小一般指表的行数，占用硬盘空间大小就比较复杂了，可以有以下几个参数：
分配空间，数据占用空间及索引占用空间。
执行
EXEC alltablecount
即可显示当前数据库所有表资源占用情况。
执行前，请前建立以下表，和两个存储过程：
1、先建立表：HY_SPACE
CREATE TABLE [HY_SPACE] (
[name] [nvarchar] (128) COLLATE Chinese_PRC_CI_AS NULL ,
[rows] [char] (11) COLLATE Chinese_PRC_CI_AS NULL ,
[reserved] [varchar] (18) COLLATE Chinese_PRC_CI_AS NULL ,
[data] [varchar] (18) COLLATE Chinese_PRC_CI_AS NULL ,
[index_size] [varchar] (18) COLLATE Chinese_PRC_CI_AS NULL ,
[unused] [varchar] (18) COLLATE Chinese_PRC_CI_AS NULL
) ON [PRIMARY]
GO
2、建立统计存储过程：
create procedure HYspaceused
@objname nvarchar(776) = null,
@updateusage varchar(5) = false
as
declare @idint
declare @typecharacter(2)
declare@pagesint
declare @dbname sysname
declare @dbsize dec(15,0)
declare @logsize dec(15)
declare @bytesperpagedec(15,0)
declare @pagesperMBdec(15,0)
create table #spt_space
(
rowsint null,
reserveddec(15) null,
datadec(15) null,
indexpdec(15) null,
unuseddec(15) null
)
if @updateusage is not null
begin
select @updateusage=lower(@updateusage)
if @updateusage not in ('true','false')
begin
raiserror(15143,-1,-1,@updateusage)
return(1)
end
end
if @objname IS NOT NULL
begin
select @dbname = parsename(@objname, 3)
if @dbname is not null and @dbname db_name()
begin
raiserror(15250,-1,-1)
return (1)
end
if @dbname is null
select @dbname = db_name()
select @id = null
select @id = id, @type = xtype
from sysobjects
where id = object_id(@objname)
if @id is null
begin
raiserror(15009,-1,-1,@objname,@dbname)
return (1)
end
if not exists (select * from sysindexes
where @id = id and indid 2)
if @type in ('P ','D ','R ','TR','C ','RF')
begin
raiserror(15234,-1,-1)
return (1)
end
else if @type = 'V '
begin
raiserror(15235,-1,-1)
return (1)
end
else if @type in ('PK','UQ')
begin
raiserror(15064,-1,-1)
return (1)
end
else if @type = 'F '
begin
raiserror(15275,-1,-1)
return (1)
end
end
if @updateusage = 'true'
begin
if @objname is null
dbcc updateusage(0) with no_infomsgs
else
dbcc updateusage(0,@objname) with no_infomsgs
print ' '
end
set nocount on
if @id is null
begin
select @dbsize = sum(convert(dec(15),size))
from dbo.sysfiles
where (status 64 = 0)
select @logsize = sum(convert(dec(15),size))
from dbo.sysfiles
where (status 64 0)
select @bytesperpage = low
from master.dbo.spt_values
where number = 1
and type = 'E'
select @pagesperMB = 1048576 / @bytesperpage
select database_name = db_name(),
database_size =
ltrim(str((@dbsize + @logsize) / @pagesperMB,15,2) + ' MB'),
'unallocated space' =
ltrim(str((@dbsize -
(select sum(convert(dec(15),reserved))
from sysindexes
where indid in (0, 1, 255)
)) / @pagesperMB,15,2)+ ' MB')
print ' '
insert into #spt_space (reserved)
select sum(convert(dec(15),reserved))
from sysindexes
where indid in (0, 1, 255)
select @pages = sum(convert(dec(15),dpages))
from sysindexes
where indid 2
select @pages = @pages + isnull(sum(convert(dec(15),used)), 0)
from sysindexes
where indid = 255
update #spt_space
set data = @pages
update #spt_space
set indexp = (select sum(convert(dec(15),used))
from sysindexes
where indid in (0, 1, 255))
- data
update #spt_space
set unused = reserved
- (select sum(convert(dec(15),used))
from sysindexes
where indid in (0, 1, 255))
select reserved = ltrim(str(reserved * d.low / 1024.,15,0) +
' ' + 'KB'),
data = ltrim(str(data * d.low / 1024.,15,0) +
' ' + 'KB'),
index_size = ltrim(str(indexp * d.low / 1024.,15,0) +
' ' + 'KB'),
unused = 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'
end
else
begin
insert into #spt_space (reserved)
select 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
update #spt_space
set indexp = (select sum(used)
from sysindexes
where indid in (0, 1, 255)
and id = @id)
- data
update #spt_space
set unused = reserved
- (select sum(used)
from sysindexes
where indid in (0, 1, 255)
and id = @id)
update #spt_space
set rows = i.rows
from sysindexes i
where i.indid 2
and i.id = @id
INSERT INTO HY_SPACE
select name = object_name(@id),
rows = convert(char(11), rows),
reserved = ltrim(str(reserved * d.low / 1024.,15,0) +
' ' + 'KB'),
data = ltrim(str(data * d.low / 1024.,15,0) +
' ' + 'KB'),
index_size = ltrim(str(indexp * d.low / 1024.,15,0) +
' ' + 'KB'),
unused = 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'
RETURN
end
return (0)
GO
3、主存储过程
create procedure alltablecount as
declare @name varchar(100)
TRUNCATE TABLE HY_SPACE
declare tablecur cursor for select name from sysobjects where xtype= 'u '
create table #tablecount(tablename varchar(100),reccount int)
open tablecur
fetch next from tablecur into @name
while @@fetch_status!=-1
begin
exec ('insert into #tablecount select tablename='''+@name+''',reccount=count(1) from '+@name+' ')
EXEC HYspaceused @NAME
fetch next from tablecur into @name
end
close tablecur
deallocate tablecur
select * from #tablecount order by reccount desc
select * from HY_SPACE
GO
--读取库中的所有表名
select name from sysobjects where xtype='u'
--读取指定表的所有列名
select name from syscolumns where id=(select max(id) from sysobjects where xtype='u' and name='表名')
获取数据库表名和字段
sqlserver中各个系统表的作用
sysaltfiles 主数据库 保存数据库的文件
syscharsets 主数据库 字符集与排序顺序
sysconfigures 主数据库 配置选项
syscurconfigs 主数据库 当前配置选项
sysdatabases 主数据库 服务器中的数据库
syslanguages 主数据库 语言
syslogins 主数据库 登陆帐号信息
sysoledbusers 主数据库 链接服务器登陆信息
sysprocesses 主数据库 进程
sysremotelogins主数据库 远程登录帐号
syscolumns 每个数据库 列
sysconstrains 每个数据库 限制
sysfilegroups 每个数据库 文件组
sysfiles 每个数据库 文件
sysforeignkeys 每个数据库 外部关键字
sysindexs 每个数据库 索引
sysmenbers 每个数据库 角色成员
sysobjects 每个数据库 所有数据库对象
syspermissions 每个数据库 权限
systypes 每个数据库 用户定义数据类型
select 列名=name from syscolumns where id=object_id(N'要查的表名')
select tabname as '表名',rowsNum as '表数据行数',reserved as '保留大小',data as '数据大小',index_size as '索引大小',unused_size as '未使用大小'
from #tabName
--where tabName not like 't%'
order by cast(rowsNum as int) desc
