BCP

DECLARE @cmd varchar( 250),@way varchar (100)
select @way='"C:\Program Files\Microsoft SQL Server\100\Tools\binn\bcp" '
    select @cmd = @way +' database.dbo.' + 'table' + ' out ' + 'c:\' +
       'table' + '.txt -S ' + @@servername + ' -c -t, -U sa -P password'
    select @cmd = 'master..xp_cmdshell ''' + @cmd + ''''
    exec( @cmd)
    select @cmd