# Column medicare.qc_enrl_bene.dual

## Overview of column dual in table medicare.qc_enrl_bene 

|                               |                        |
| ----------------------------- | ---------------------- |
| Table                         | [medicare.qc_enrl_bene](../medicare.qc_enrl_bene.md)           |
| Qualified name                | medicare.qc_enrl_bene.dual  |
| Datatype                      | boolean        |
| Column type | generated |



## Expressions

```sql
SELECT GENERATED ALWAYS AS (CASE WHEN dual_cvg_count IS NULL THEN NULL WHEN dual_cvg_count > 0 THEN TRUE ELSE FALSE END) STORED
```