SELECT 'KILL ' + cast(A.session_id as varchar)
FROM sys.dm_exec_sessions A WITH (NOLOCK)
INNER JOIN sys.databases B WITH (NOLOCK)
ON A.database_id = B.database_id
WHERE B.name = 'your.dbname.here'
SELECT 'KILL ' + cast(A.session_id as varchar)
FROM sys.dm_exec_sessions A WITH (NOLOCK)
INNER JOIN sys.databases B WITH (NOLOCK)
ON A.database_id = B.database_id
WHERE B.name = 'your.dbname.here'