| Name | Description | Type | Additional information |
|---|---|---|---|
| pvid | integer |
None. |
|
| studentid | string |
None. |
|
| category | string |
None. |
|
| c1 | integer |
None. |
|
| c2 | integer |
None. |
|
| c3 | integer |
None. |
|
| total | integer |
None. |
|
| status | integer |
None. |
|
| topic | string |
None. |