查看Sql数据库连接数

select

count(1) as nums,

sd.name

from
  [Master].[dbo].[SYSPROCESSES] sp
inner join [Master].[dbo].[SYSDATABASES] sd
          on sp.dbid=sd.dbid
--where
--sd.name in ('sjk1','sjk2')
--and sp.program_name='.Net SqlClient Data Provider'
group by

sd.name