# SheetSummaryFields
## Documentation
The summary fields of the sheets: values about the sheet as a whole, such as a budget or a status. A filter on sheet_id reads one sheet only.
- Catalog: `Smartsheet`
- Schema: `Sheets`
- Primary Keys: `summary_field_id`
This is a read-only table. The Smartsheet API may not support changing the data or the Invantive UniversalSQL driver for Smartsheet does not cover it. In the latter case, please use the table NativePlatformScalarRequests to upload data to the Smartsheet API.
## Table Columns
The columns of the table `SheetSummaryFields` are shown below. Each column has an SQL data type.
| Name | Data Type | Label | Required | Documentation |
|---|:---:|---|:---:|---|
| `created_at` | `datetime` | | ☐ | When the field was made, UTC. |
| `display_value` | `varchar2` | | ☐ | The value as shown. |
| `formula` | `varchar2` | | ☐ | The formula of the field. |
| `index` | `int32` | | ☐ | The position of the field. |
| `locked` | `char` | | ☐ | Whether the field is locked. |
| `modified_at` | `datetime` | | ☐ | When the field was last changed, UTC. |
| `sheet_id` | `int64` | | ☑ | The sheet of the field. |
| `summary_field_id` | `int64` | | ☑ | The id of the field. |
| `title` | `varchar2` | | ☐ | The title of the field. |
| `type` | `varchar2` | | ☐ | The type of the field, as for a column. |
| `value` | `varchar2` | | ☐ | The stored value as text. |
## Foreign Keys
The values of these columns refer to a row of another table.
| Columns | Referenced Table | Referenced Columns | Guarantee |
|---|---|---|---|
| `sheet_id` | [[Sheets-Sheets\|Sheets.Sheets]] | `sheet_id` | Declared by the connector, not enforced by the platform |