Sqlserver 2005+：查看索引【index】的【碎片】

set nocount on


print db_name()

declare @tab_name sysname
set @tab_name='wfpuser_a0113'

--内部碎片
select '【内部】碎片' as frag_type
    ,ob.name as object_name
    ,ix.index_id,ix.name as index_name
    ,ps.index_level
    ,ps.partition_number
    ,ps.record_count
    ,ps.page_count
    ,ps.fragment_count
    ,str(ps.avg_fragmentation_in_percent,16,2) as [avg_frag(%)]
    ,str(ps.avg_fragment_size_in_pages,16,1) as [avg_frag_pages]
    ,ps.forwarded_record_count
    ,ps.avg_record_size_in_bytes
    ,str(ps.avg_page_space_used_in_percent,16,2) as [avg_page_space_used(%)]
from sys.dm_db_index_physical_stats(db_id(),object_id(@tab_name),default, default, 'detailed') ps
    inner join sys.indexes ix on ix.object_id = ps.object_id and ix.index_id = ps.index_id
    inner join sys.objects ob on ob.object_id=ix.object_id
where ob.is_ms_shipped=0
union all
--外部碎片
select '外部碎片' as frag_type
    ,ob.name as object_name
    ,ix.index_id,ix.name as index_name
    ,ps.index_level
    ,ps.partition_number
    ,ps.record_count
    ,ps.page_count
    ,ps.fragment_count
    ,str(ps.avg_fragmentation_in_percent,16,2) as [avg_frag(%)]
    ,str(ps.avg_fragment_size_in_pages,16,1) as [avg_frag_pages]
    ,ps.forwarded_record_count
    ,ps.avg_record_size_in_bytes
    ,str(ps.avg_page_space_used_in_percent,16,2) as [avg_page_space_used(%)]
from sys.dm_db_index_physical_stats(db_id(),object_id(@tab_name),default, default, 'limited') ps
    inner join sys.indexes ix on ix.object_id = ps.object_id and ix.index_id = ps.index_id
    inner join sys.objects ob on ob.object_id=ix.object_id
where ob.is_ms_shipped=0
order by object_name,index_id,frag_type