SQL查询死锁

Select
'进程ID'              = Str( A.Spid, 4 ),
'进程ID状态'          = Convert( varChar(100), A.Status ),
'阻塞进程的进程ID'    = Str( A.Blocked, 2 ),
'工作站名称'          = Convert( varChar(100), A.Hostname ),
'执行命令的用户'      = Convert( varChar(100), A.loginame ),
'数据库名'            = Convert( varChar(100), Db_Name(A.Dbid ) ),
'应用程序名'          = Convert( varChar(100), A.Program_Name ),
'正在执行的命令'      = Convert( varchar(100), A.Cmd ),
'累计CPU时间'         = Str( A.Cpu, 7 ),
'IO'                  = Str( A.Physical_Io, 7 ),
'登录名'              = A.Loginame,
'登录时间'   = A.login_time,
'执行语句'=B.Text
From Master..Sysprocesses A
Cross Apply Sys.Dm_Exec_Sql_Text(A.Sql_Handle) B
Where Spid In ( Select top 10 spid From Master..Sysprocesses order by physical_io DESC)
order by login_time

--有查出来几个表是没有主键，也没有聚集索引。
SELECT  OBJECT_NAME(i.[object_id]) AS [Table Name] ,
i.name
FROM    sys.indexes AS i
INNER JOIN sys.objects AS o ON i.[object_id] = o.[object_id]
WHERE   i.index_id NOT IN ( SELECT  ddius.index_id
FROM    sys.dm_db_index_usage_stats AS ddius
WHERE   ddius.[object_id] = i.[object_id]
AND i.index_id = ddius.index_id
AND database_id = DB_ID() )
AND o.[type] = 'U'
ORDER BY OBJECT_NAME(i.[object_id]) ASC;

--有查到缺失索引的情况。
SELECT  user_seeks * avg_total_user_cost * ( avg_user_impact * 0.01 ) AS [index_advantage] ,
dbmigs.last_user_seek ,
dbmid.[statement] AS [Database.Schema.Table] ,
dbmid.equality_columns ,
dbmid.inequality_columns ,
dbmid.included_columns ,
dbmigs.unique_compiles ,
dbmigs.user_seeks ,
dbmigs.avg_total_user_cost ,
dbmigs.avg_user_impact
FROM    sys.dm_db_missing_index_group_stats AS dbmigs WITH ( NOLOCK )
INNER JOIN sys.dm_db_missing_index_groups AS dbmig WITH ( NOLOCK ) ON dbmigs.group_handle = dbmig.index_group_handle
INNER JOIN sys.dm_db_missing_index_details AS dbmid WITH ( NOLOCK ) ON dbmig.index_handle = dbmid.index_handle
WHERE   dbmid.[database_id] = DB_ID()
ORDER BY index_advantage DESC;

--有查到几个索引不合理，写的很多，查询用到的很少
SELECT  OBJECT_NAME(ddius.[object_id]) AS [Table Name] ,
i.name AS [Index Name] ,
i.index_id ,
user_updates AS [Total Writes] ,
user_seeks + user_scans + user_lookups AS [Total Reads] ,
user_updates - ( user_seeks + user_scans + user_lookups ) AS [Difference]
FROM    sys.dm_db_index_usage_stats AS ddius WITH ( NOLOCK )
INNER JOIN sys.indexes AS i WITH ( NOLOCK ) ON ddius.[object_id] = i.[object_id]
AND i.index_id = ddius.index_id
WHERE   OBJECTPROPERTY(ddius.[object_id], 'IsUserTable') = 1
AND ddius.database_id = DB_ID()
AND user_updates > ( user_seeks + user_scans + user_lookups )
AND i.index_id > 1
ORDER BY [Difference] DESC ,
[Total Writes] DESC ,
[Total Reads] ASC;

--有查到缺失索引的情况。
SELECT  '[' + DB_NAME() + '].[' + OBJECT_SCHEMA_NAME(ddips.[object_id],
DB_ID()) + '].['
+ OBJECT_NAME(ddips.[object_id], DB_ID()) + ']' AS [statement] ,
i.[name] AS [index_name] ,
ddips.[index_type_desc] ,
ddips.[partition_number] ,
ddips.[alloc_unit_type_desc] ,
ddips.[index_depth] ,
ddips.[index_level] ,
CAST(ddips.[avg_fragmentation_in_percent] AS SMALLINT) AS [avg_frag_%] ,
CAST(ddips.[avg_fragment_size_in_pages] AS SMALLINT) AS [avg_frag_size_in_pages] ,
ddips.[fragment_count] ,
ddips.[page_count]
FROM    sys.dm_db_index_physical_stats(DB_ID(), NULL, NULL, NULL, 'limited') ddips
INNER JOIN sys.[indexes] i ON ddips.[object_id] = i.[object_id]
AND ddips.[index_id] = i.[index_id]
WHERE   ddips.[avg_fragmentation_in_percent] > 15
AND ddips.[page_count] > 500
ORDER BY ddips.[avg_fragmentation_in_percent] ,
OBJECT_NAME(ddips.[object_id], DB_ID()) ,
i.[name]