Queries connection
SELECT * FROM
[Master].[dbo].[SYSPROCESSES] WHERE [DBID]
IN
(
SELECT
[DBID]
FROM
[Master].[dbo].[SYSDATABASES]
WHERE
NAME='数据库名'
)
Delete Connection kill spid
Reproduced in: https: //my.oschina.net/mengmin/blog/225044