报错

The database is in single-user mode, and a user is currently connected to it.

通过 select * from sys.sysprocesses 找不到

通过 select * from sys.dm_exec_requests 也找不到

 

只能通过 sys.dm_tran_locks查看

SELECT request_session_id FROM sys.dm_tran_locks  WHERE resource_database_id = DB_ID('your_dbname')

 

KILL spid