//查询数据库的链接情况

SELECT

request_session_id spid,

OBJECT_NAME(

resource_associated_entity_id

) tableName

FROM

sys.dm_tran_locks

WHERE

resource_type = 'OBJECT'

SELECT * FROM

[Master].[dbo].[SYSPROCESSES] WHERE [DBID]

IN

(

SELECT

[DBID]

FROM

[Master].[dbo].[SYSDATABASES]

WHERE

NAME='数据库名称'

)

//查询造成数据库死锁的语句

select er.session_id,CAST(csql.text AS varchar(255)) AS CallingSQL

from master.sys.dm_exec_requests er

WITH (NOLOCK)

CROSS APPLY MASTER.sys.fn_get_sql (er.sql_handle) csql

where er.session_id =6