Solve the problem of exclusive SQL Server database

    use master
    go
    declare @dbname varchar(20) 
    set @dbname='OA' --- This is the database name  
    declare @sql nvarchar(500) 
    declare @spid int--SPID  Value is a unique integer assigned to the connection when the user connects  
    set @sql='declare getspid cursor for 
    select spid from sysprocesses where dbid=db_id('''[email protected]+''')' 
    exec (@sql) 
    open getspid 
    fetch next from getspid into @spid 
    while @@fetch_status<>-1-- If FETCH  The statement does not fail to execute or this line is not in the result set . 
    begin 
    exec('kill '[email protected])-- Terminate normal connection  
    fetch next from getspid into @spid 
    end 
    close getspid 
    deallocate getspid