Sql Server 强制断开数据库已有连接的方法

用管理员账户sa登陆，然后在master下新建查询：

declare @i int declare cur cursor for select spid from sysprocesses where db_name(dbid)= '要断开连接的数据库名称' open cur fetch next from cur into @i while @@fetch_status=0 begin exec('kill '+@i) fetch next from cur into @i end close cur deallocate cur 

参考：

https://blog.csdn.net/jiankunking/article/details/44352033