> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# BOOK_DESCRIPTION

The BOOK\_DESCRIPTION table contains the book descriptions

| Column Name  | Type   | Not Null | Cube Field                                                       | Description                                    |
| ------------ | ------ | -------- | ---------------------------------------------------------------- | ---------------------------------------------- |
| BOOK         | STRING | Y        |                                                                  | Leaf node of the book hierarchy.               |
| DESK         | STRING | Y        | [Desks](../cube/desks)                                           | The desk to which the book belongs.            |
| AS\_OF\_DATE | DATE   | Y        | See field in joined table ([SASENSITIVITIES](./sasensitivities)) | Timestamp (at close of business) for the data. |

## Unique Key

| Columns      |
| ------------ |
| AS\_OF\_DATE |
| BOOK         |

## Incoming Joins

| Source Table                      | Source Columns         | Target Columns         |
| --------------------------------- | ---------------------- | ---------------------- |
| [TRADE\_MAPPING](./trade_mapping) | AS\_OF\_DATE<br />BOOK | AS\_OF\_DATE<br />BOOK |