sql server創建存儲過程

create procedure PRO_RAIN_HOURS
  @tm datetime      
  as
  begin
      select a.stcd ,a.rn, b.測站名稱 from (SELECT stcd,sum(rn) as rn FROM [dbo].[Rain_RealTime] where tm >=@tm GROUP BY stcd)a join VW_StationInfo b on a.stcd =b.測站代碼 where b.[啓用標誌]=1
  end