我用以下的语句，获取MAC ：
create proc p_getlinkinfo
@dbname sysname=null,--要查询的数据库名,默认查询所有数据库的连接信息
@includeip bit=0--是否显示IP地址,因为查询IP地址比较费时,所以增加此控制
as
declare @dbid int
set @dbid=db_id(@dbname)
create table #tb(id int identity(1,1),dbname sysname,hostname nchar(128),loginname nchar(128),net_address nchar(12),net_ip nvarchar(15),prog_name nchar(128))
insert into #tb(hostname,dbname,net_address,loginname,prog_name)
select distinct hostname,db_name(dbid),net_address,loginame,program_name from master..sysprocesses
where hostname <>'' and (@dbid is null or dbid=@dbid)
if @includeip=0 goto lb_show --如果不显示IP地址,就直接显示
declare @sql varchar(500),@hostname nchar(128),@id int
create table #ip(hostname nchar(128),a varchar(200))
declare tb cursor local for select distinct hostname from #tb
open tb
fetch next from tb into @hostname
while @@fetch_status=0
begin
set @sql='ping '+@hostname+' -a -n 1 -l 1'
insert #ip(a) exec master..xp_cmdshell @sql
update #ip set hostname=@hostname where hostname is null
fetch next from tb into @hostname
end
update #tb set net_ip=left(a,patindex('%:%',a)-1)
from #tb a inner join (
select hostname,a=substring(a,patindex('P
