| Column Name | Data Type | Nullable | Default value | Comments |
|---|---|---|---|---|
| SUBJECT_ID | NUMBER | N | The patient for the medication | |
| ITEMID | NUMBER | N | The medication item for the duration record | |
| ELEMID | NUMBER | N | ||
| STARTTIME | DATE | N | The start time of the medication event | |
| STARTREALTIME | DATE | Y | ||
| ENDTIME | DATE | Y | The end time of the medication event | |
| CUID | NUMBER | Y | The care unit where the medication event took place | |
| DURATION | NUMBER | Y | The duration of the medication event. |