查看當前數據庫索引情況

--以下SQL2005以上版本實現方法:

with Index1
as
(
select 
	top 100 percent row_number()over(partition by a.Name order by b.index_id) as ID,object_Name(a.object_id) as TableName,a.Name as IndexName,c.Name as ColName,
	description=a.type_desc,a.is_unique,a.is_primary_key,a.is_unique_constraint,OrderNr=CASE WHEN b.is_descending_key=0 THEN 'Asc' ELSE 'DESC' END


from 
	sys.indexes a 
join
	sys.index_columns b on a.Object_id=b.Object_id and a.index_id=b.index_id 
join
	sys.columns c on c.object_id=a.object_id and c.column_id=b.column_id
where 
	objectproperty(a.object_id,'IsUserTable')=1 and a.Object_id<>object_id('dtproperties')
order by TableName,a.Name
)
,index2
as
(
select 
	TableName,IndexName,ColName,is_unique,is_primary_key,is_unique_constraint,description
from 
	(select  distinct TableName,IndexName,is_unique,is_primary_key,is_unique_constraint,description from Index1)a
CROSS apply
	(select ColName=stuff((select ','+ColName +' '+OrderNr from Index1 where TableName=a.TableName and IndexName=a.IndexName order by ID for xml PATH('')),1,1,''))b
)
select 
	* 
from 
	index2
order by TableName,IndexName