SQLSERVER 查询阻塞SQL以及锁

• 查阻塞语句

–查阻塞语句
select text, * from sys.dm_exec_requests er cross apply sys.dm_exec_sql_text(er.sql_handle)

• 查阻塞与锁

–查阻塞与锁
SELECT t1.resource_type AS [锁类型], DB_NAME(resource_database_id) AS [数据库名],
t1.resource_associated_entity_id AS [阻塞资源对象],t1.resource_description as [资源描述信息], t1.request_mode AS [请求的锁],
t1.request_session_id AS [等待会话], t2.wait_duration_ms AS [等待时间],
(SELECT [text] FROM sys.dm_exec_requests AS r WITH (NOLOCK)
CROSS APPLY sys.dm_exec_sql_text(r.[sql_handle])
WHERE r.session_id = t1.request_session_id
) AS [等待会话执行的批SQL],
(SELECT SUBSTRING(qt.[text],r.statement_start_offset/2,
(CASE WHEN r.statement_end_offset = -1
THEN LEN(CONVERT(nvarchar(max), qt.[text])) * 2
ELSE r.statement_end_offset END )/2)
FROM sys.dm_exec_requests AS r WITH (NOLOCK)
CROSS APPLY sys.dm_exec_sql_text(r.[sql_handle]) AS qt
WHERE r.session_id = t1.request_session_id
) AS [等待会话执行的SQL],
t2.blocking_session_id AS [阻塞会话],
(SELECT [text] FROM sys.sysprocesses AS p
CROSS APPLY sys.dm_exec_sql_text(p.[sql_handle])
WHERE p.spid = t2.blocking_session_id
) AS [阻塞会话执行的批SQL]
FROM sys.dm_tran_locks AS t1 WITH (NOLOCK)
INNER JOIN sys.dm_os_waiting_tasks AS t2 WITH (NOLOCK)
ON t1.lock_owner_address = t2.resource_address OPTION (RECOMPILE);