# upper({str})

Returns a copy of string *str* with all cased characters converted to uppercase.

## Example

This example returns the first five entries in the City column in uppercase.

```nolang
SELECT upper(City) as upperCity FROM "Superstore"
GROUP BY City
LIMIT 5;

```

| upperCity   |
| ----------- |
| ABERDEEN    |
| ABILENE     |
| AKRON       |
| ALBUQUERQUE |
| ALEXANDRIA  |