查看被锁表：
select spId
from master..SysProcesses
where db_Name(dbID) = '数据库名称'
and spId <> @@SpId
and dbID <> 0
解除锁：
exec ('Kill '+cast(@spid as varchar))
查看被锁表：
select request_session_id spid,OBJECT_NAME(resource_associated_entity_id) tableName
from sys.dm_tran_locks where resource_type='OBJECT'
spid 锁表进程
tableName 被锁表名
解锁：
declare @spid int
Set @spid = 57 --锁表进程
declare @sql varchar(1000)
set @sql='kill '+cast(@spid as varchar)
exec(@sql)
