# **UPPER()**

## **Function Description**

`UPPER()` is used to convert the given string to uppercase.

## **Function Syntax**

```text
> UPPER(str)
```

## **Parameter definition**

| Parameters | Description |
| ---- | ---- |
| str | Required parameters, alphabetical characters. |

## **Example**

```text
mysql> select upper('hello');
+-------------------+
| upper(hello) |
+-------------------+
| HELLO |
+-------------------+
1 row in set (0.03 sec)

mysql> select upper('a'), upper('b'), upper('c');
+------------------------------------+
| upper(a) | upper(b) | upper(c) |
+------------------------------------+
| A | B | C |
+------------------------------------+
1 row in set (0.03 sec)
```