# lower({str})

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

## Example

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

```nolang
SELECT lower(City) as "lCity"
FROM "Superstore"
GROUP BY City
LIMIT 5;

```

| lCity       |
| ----------- |
| aberdeen    |
| abilene     |
| akron       |
| albuquerque |
| alexandria  |