desc SELECT '20070530' as date, CASE WHEN msc='huaw' then 'huawei' else msc END AS msc, COUNT(DISTINCT CASE WHEN qt_moc>0 OR qt_mtc>0 or qt_cfw_no_vms > 0 THEN servedmsisdn END), COUNT(DISTINCT CASE WHEN qt_mocSMS>0 OR qt_mtcSMS>0 THEN servedmsisdn END), COUNT(DISTINCT CASE WHEN qt_moc>0 OR qt_mtc>0 OR qt_cfw_no_vms > 0 OR qt_mocSMS>0 OR qt_mtcSMS>0 THEN servedmsisdn END) FROM top_moc as t WHERE date between '20070501' and '20070530' GROUP BY 1,2\G
*************************** 1. row ***************************
           id: 1
  select_type: SIMPLE
        table: t
         type: ALL
possible_keys: ix_top_moc_date,ix_top_moc_datemsisdn
          key: NULL
      key_len: NULL
          ref: NULL
         rows: 147861348
        Extra: Using where; Using filesort
1 row in set (0.01 sec)