Find tables unused since last SQL Server restart

WITH LastActivity (ObjectID, LastAction) AS
  (
  SELECT object_id AS TableName,
               last_user_seek as LastAction
      FROM sys.dm_db_index_usage_stats u
   WHERE database_id = db_id(db_name())
   UNION 
  SELECT object_id AS TableName,
               last_user_scan as LastAction
      FROM sys.dm_db_index_usage_stats u
   WHERE database_id = db_id(db_name())
   UNION
  SELECT object_id AS TableName,
               last_user_lookup as LastAction
      FROM sys.dm_db_index_usage_stats u
   WHERE database_id = db_id(db_name())
  )
  SELECT OBJECT_NAME(so.object_id) AS TableName,
             MAX(la.LastAction) as LastSelect
    FROM sys.objects so
    LEFT
    JOIN LastActivity la
      ON so.object_id = la.ObjectID
   WHERE so.type = 'U'
     AND so.object_id > 100
GROUP BY OBJECT_NAME(so.object_id)
ORDER BY OBJECT_NAME(so.object_id)