eclare
@user_id int,
@killcmd varchar(100),
@wait_time int
-- 設定空閒時間
set @wait_time = 2;
-- 根據選擇條件，選擇出應該取消的程序
declare cur_lock cursor for
select spid
from master..sysprocesses
where
datediff(minute, last_batch, getdate()) > @wait_time
and blocked = 0
and spid in
(select blocked
from master..sysprocesses);
-- 取消所有選擇出的程序。
open cur_lock;
fetch next from cur_lock into @user_id;
while @@fetch_status = 0
begin
set @killcmd = 'kill ' + cast(@user_id as varchar)
execute (@killcmd);
fetch next from cur_lock into @user_id;
end;
close cur_lock;
deallocate cur_lock;
--查詢鎖資訊
select * from sys.dm_tran_locks
--查詢newbjx資料庫中表的數量
select count(*) from newbjx..sysobjects where type='u' and status>=0
declare
@user_id int,
@killcmd varchar(100),
@wait_time int
-- 設定空閒時間
set @wait_time = 2;
-- 根據選擇條件，選擇出應該取消的程序
declare cur_lock cursor for
select spid
from master..sysprocesses
where
datediff(minute, last_batch, getdate()) > @wait_time
and blocked = 0
and spid in
(select blocked
from master..sysprocesses);
-- 取消所有選擇出的程序。
open cur_lock;
fetch next from cur_lock into @user_id;
while @@fetch_status = 0
begin
set @killcmd = 'kill ' + cast(@user_id as varchar)
execute (@killcmd);
fetch next from cur_lock into @user_id;
end;
close cur_lock;
deallocate cur_lock;
--下面的示例返回使會話 id 與某一 windows 執行緒 id 相關聯的資訊。
--可以在 windows 效能監視器中監視該執行緒的效能。該查詢不返回當前正在休眠的會話 id。
select stasks.session_id, sthreads.os_thread_id
from sys.dm_os_tasks as stasks
inner join sys.dm_os_threads as sthreads
on stasks.worker_address = sthreads.worker_address
where stasks.session_id is not null
order by stasks.session_id;
go set statistics io on
set statistics time on
select top 50 sum(qs.total_worker_time)/1000 as total_cpu_time,
sum(qs.execution_count)/1000 as total_execution_count,
count(*) as number_of_statements,
qs.plan_handle,qs.sql_handle
from sys.dm_exec_query_stats qs
group by qs.plan_handle
order by sum(qs.total_worker_time) desc
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