text: WITH
      DB_CPU_Stats
      AS
      (
          SELECT DatabaseID, DB_Name(DatabaseID) AS [DatabaseName], SUM(total_worker_time) AS [CPU_Time_Ms]
          FROM sys.dm_exec_query_stats AS qs
  CROSS APPLY (SELECT CONVERT(int, value) AS [DatabaseID]
              FROM sys.dm_exec_plan_attributes(qs.plan_handle)
              WHERE attribute = N'dbid') AS F_DB
          GROUP BY DatabaseID
      )
  SELECT ROW_NUMBER() OVER(ORDER BY [CPU_Time_Ms] DESC) AS [row_num],
      DatabaseName, [CPU_Time_Ms],
      CAST([CPU_Time_Ms] * 1.0 / SUM([CPU_Time_Ms]) OVER() * 100.0 AS DECIMAL(5, 2)) AS [CPUPercent]
  FROM DB_CPU_Stats
  WHERE DatabaseID > 4 -- system databases
      AND DatabaseID <> 32767
  -- ResourceDB
  ORDER BY row_num
  OPTION
  (RECOMPILE);