sql insert into .. select..死锁解决办法
sql insert into .. select..死锁解决办法
sql insert into .. select..死锁解决办法
方法一
insert into a select * from b with(xlock) where form_no=@form_no
方法二,
sp_who --sql2000及以上
dbcc inputbuffer(spid)--用于查看具体的语句
kill spid --杀掉进程。
--还是
select * from sys.sysprocesses --sql2005及以上
a. 按平均 cpu 时间排在前五个的查询
此方案提供有关 cpu 时间、io 读写以及按平均 cpu 时间排在前五个查询的执行次数的信息。
复制代码
select top 5
total_worker_time/execution_count as [avg cpu time],
(select substring(text,statement_start_offset/2,(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
order by [avg cpu time] desc

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