Cambridge Mobile Telematics uses telematics event data to monitor driver risk in its safety analytics products. Write a PostgreSQL query that reports confirmed harsh-braking activity for each driver.
| Column | Type | Description |
|---|---|---|
| driver_idPK | INTEGER | Unique driver identifier |
| driver_name | VARCHAR(100) | Driver display name |
| region | VARCHAR(50) | Operating region |
| Column | Type | Description |
|---|---|---|
| event_idPK | INTEGER | Unique telematics event identifier |
| driver_id | INTEGER | Driver associated with the event |
| event_date | DATE | Date on which the event occurred |
| event_type | VARCHAR(40) | Type of driving event |
| event_status | VARCHAR(20) | Review status of the event |