Appendix Data Structures - Exercise
| Name | Description | Type | Sample Values |
|---|---|---|---|
| id | The measurement’s unique identifier | String | abc123qwerty |
| type | the type of this measure | String | height, length, weight |
| value | The quantity of the measurement | Float | 3, 180.5 |
| unit | The measurement unit | String | cups, ounces, slices, pounds |
| date | The date this measurement was taken. | Date | 2013-12-29 |
| updated_at | The time this measurement was updated (calculated) | Timestamp | 20140615T12:35:17Z |