# Column medicare.beneficiaries.all_enrollment_years

## Overview of column all_enrollment_years in table medicare.beneficiaries 

|                               |                        |
| ----------------------------- | ---------------------- |
| Table                         | [medicare.beneficiaries](../medicare.beneficiaries.md)           |
| Qualified name                | medicare.beneficiaries.all_enrollment_years  |
| Datatype                      | INT[]        |
| Column type | copied |



## Expressions

```sql
SELECT ARRAY_AGG(DISTINCT year ORDER BY year)
```