# PO_EXPN: Formulas
- Name: `PO_EXPN`
- Catalog: `AccountView`
- Label: Formulas
- Partition-specific: true
- Select: true
- Insert: false
- Update: false
- Delete: false
## Table Columns
The columns of the table `PO_EXPN` are shown below. Each column has an SQL data type.
| Name | Data Type | Label | Required | Documentation |
|---|:---:|---|:---:|---|
| `CNG_DATE` | `datetime` | Date modified | ☐ | |
| `CNG_NR` | `int32` | Change number | ☐ | |
| `CNG_USR` | `string(20)` | Employee last modified | ☐ | |
| `EXPN_CODE` | `string(5)` | Formula code | ☐ | |
| `EXPN_DESC` | `string(40)` | Formula description | ☐ | |
| `EXPN_INTN` | `string(4)` | Internal expression | ☐ | |
| `EXPN_USER` | `string(4)` | Expression | ☐ | |
| `INP_DATE` | `datetime` | Entry date | ☐ | |
| `INP_USR` | `string(20)` | Entered by employee | ☐ | |
| `partition_code` | `string` | Partition code | ☑ | |
| `partition_name` | `string` | Partition name | ☑ | |