+---------+------------------+----------+-------------+---------------------+---------------------+-------------+---------+-----------+
| AlarmId | DeviceId         | Category | Subcategory | GenerationTime      | ExpiryTime          | ExpiryCause | AckTime | ClearTime |
+---------+------------------+----------+-------------+---------------------+---------------------+-------------+---------+-----------+
|       1 |            �2( |        1 |           1 | 2015-04-27 17:40:57 | 0000-00-00 00:00:00 | NULL        |    NULL |      NULL |
|       2 |            �2( |       23 |           1 | 2015-04-27 17:40:57 | 0000-00-00 00:00:00 | NULL        |    NULL |      NULL |
|       3 |            �2( |       31 |           7 | 2015-04-27 17:40:57 | 0000-00-00 00:00:00 | NULL        |    NULL |      NULL |
|       4 |            �2( |        0 |           7 | 2015-04-27 17:40:57 | 0000-00-00 00:00:00 | NULL        |    NULL |      NULL |
+---------+------------------+----------+-------------+---------------------+---------------------+-------------+---------+-----------+