interviewee table
+----+---------------------+----+-------+
| id | dateTime | value |
+----+---------------------+----+-------+
| 1 | 2015-30-21 12:30:20 | 30 |
| 2 | 2015-30-21 12:30:21 | 30 |
| 3 | 2015-30-21 12:30:22 | 50 |
| 4 | 2015-30-21 12:30:23 | 50 |
| 5 | 2015-30-21 12:30:24 | 50 |
| 6 | 2015-30-21 12:30:26 | 50 |
| 7 | 2015-30-21 12:30:27 | 30 |
| 8 | 2015-30-21 12:30:51 | 50 |
+----+---------------------+----+-------+
interviewer table
+----+---------------------+----+-------+
| id | dateTime | value |
+----+---------------------+----+-------+
| 1 | 2015-30-21 12:30:26 | 30 |
| 2 | 2015-30-21 12:30:27 | 30 |
| 3 | 2015-30-21 12:30:28 | 50 |
| 4 | 2015-30-21 12:30:29 | 50 |
| 5 | 2015-30-21 12:30:30 | 50 |
| 6 | 2015-30-21 12:30:40 | 50 |
| 7 | 2015-30-21 12:30:50 | 30 |
| 8 | 2015-30-21 12:30:51 | 50 |
+----+---------------------+----+-------+
video table
+----+-----------+---------------------+---------------------+
| id | name | start_time | end_time |
+----+-----------+---------------------+---------------------+
| 1 | interview | 2015-30-21 12:30:27 | 2015-30-21 12:30:51 |
+----+-----------+---------------------+---------------------+
Expected results
interviewee table
+----+---------------------+----+-------+
| id | dateTime | value |
+----+---------------------+----+-------+
| 7 | 2015-30-21 12:30:27 | 30 |
| 8 | 2015-30-21 12:30:51 | 50 |
+----+---------------------+----+-------+
interviewer table
+----+---------------------+----+-------+
| id | dateTime | value |
+----+---------------------+----+-------+
| 2 | 2015-30-21 12:30:27 | 30 |
| 3 | 2015-30-21 12:30:28 | 50 |
| 4 | 2015-30-21 12:30:29 | 50 |
| 5 | 2015-30-21 12:30:30 | 50 |
| 6 | 2015-30-21 12:30:40 | 50 |
| 7 | 2015-30-21 12:30:50 | 30 |
| 8 | 2015-30-21 12:30:51 | 50 |
+----+---------------------+----+-------+