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标题 sql查看所有表大小的方法
范文
    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 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
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更新时间:2025/5/29 5:17:04