Kick all users out of a DB

Declare @tblConnectedUsers Table (
	SPID		int			)

Declare @vcSQLText		varchar(200),
	@iSPID			int

--Get the currently connected users
Insert into  @tblConnectedUsers
Select p.spid
from master.dbo.sysprocesses p (nolock)
join master..sysdatabases d (nolock) on p.dbid = d.dbid
Where d.[name] = 'EBN_QA' --> database name here

--Loop though the connected users and kill their connections
While 1 = 1
Begin

	Select top 1 @iSPID = SPID
	From  @tblConnectedUsers
	Where SPID > IsNull(@iSPID, 0) 
	order by SPID asc

-- break when there are no more SPIDs
	If @@RowCount = 0
		Break

--Build the SQL string
	Set @vcSQLText = 'Kill ' + Convert(varchar(10), @iSPID)

	Exec( @vcSQLText )				

End