| Name | Description | Type | Additional information |
|---|---|---|---|
| sid | integer |
None. |
|
| visitid | string |
None. |
|
| keyword | string |
None. |
|
| attid | integer |
None. |
|
| startdate | date |
None. |
|
| enddate | date |
None. |
|
| searchtime | date |
None. |