sql查看所有表大小的方法

2023年 4月 19日 60.2k 0

复制代码 代码如下: 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 n

复制代码 代码如下:declare @id            intdeclare @type          character(2)                 declare @pages         int                        declare @dbname        sysnamedeclare @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 forselect id from sysobjects where xtype = 'U'

open c_tables fetch next from c_tables into @id

while @@fetch_status = 0begin    /* 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 @idend

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 dwhere         d.number = 1and         d.type = 'E'

order by reserved desc

drop table #spt_spaceclose c_tablesdeallocate c_tables

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