SQL Server 查杀死锁

SELECT request_session_id AS spid ,
OBJECT_NAME(resource_associated_entity_id) AS 'table'
FROM sys.dm_tran_locks
WHERE resource_type = 'OBJECT';

KILL [spid];

--查看当前的数据库⽤户连接
USE master
GO
SELECT * FROM sys.[sysprocesses] WHERE [spid]>50 --AND DB_NAME([dbid])='gposdb'
SELECT COUNT(*) FROM [sys].[dm_exec_sessions] WHERE [session_id]>50


--选取前10个最耗CPU时间的会话
SELECT TOP 10[session_id],[request_id],[start_time] AS '开始时间',[status] AS '状态',
[command] AS '命令',dest.[text] AS 'sql语句', DB_NAME([database_id]) AS '数据库名',
[blocking_session_id] AS '正在阻塞其他会话的会话ID',[wait_type] AS '等待资源类型',
[wait_time] AS '等待时间',[wait_resource] AS '等待的资源',[reads] AS '物理读次数',
[writes] AS '写次数',[logical_reads] AS '逻辑读次数',[row_count] AS '返回结果⾏数'
FROM sys.[dm_exec_requests] AS der CROSS APPLY
sys.[dm_exec_sql_text](der.[sql_handle]) AS dest
WHERE [session_id]>50 AND DB_NAME(der.[database_id])='DBID'
ORDER BY [cpu_time] DESC


--查询前10个最耗CPU时间的SQL语句
--在SSMS⾥选择以⽂本格式显⽰结果
SELECT TOP 10
dest.[text] AS 'sql语句'
FROM sys.[dm_exec_requests] AS der
CROSS APPLY
sys.[dm_exec_sql_text](der.[sql_handle]) AS dest
WHERE [session_id]>50
ORDER BY [cpu_time] DESC

--查询CPU占⽤⾼的语句
SELECT TOP 10   total_worker_time/execution_count AS avg_cpu_cost,
plan_handle,   execution_count,   (SELECT SUBSTRING(text,
statement_start_offset/2 + 1,      (CASE WHEN statement_end_offset = -1
THEN LEN(CONVERT(nvarchar(max), text)) * 2
ELSE statement_end_offset
END - statement_start_offset)/2)
FROM sys.dm_exec_sql_text(sql_handle)) AS query_text
FROM sys.dm_exec_query_stats