The **`UCASE()`** function converts a string sent as a parameter to uppercase. 

Figure 1 shows a visual representation of the `UCASE()` function.

>This method has the same functionality as the `UPPER()` method.

# Syntax
```sql
UCASE(string)
```
# Parameter
The `UCASE()` function takes in a string that needs to be converted to uppercase as a parameter.

# Return value
The `UCASE()` function returns the uppercase version of a string sent as a parameter.

> If a number is sent as a parameter, then `UCASE()` returns the number unchanged.

# Example





-- string
SELECT UCASE('hello');

-- number
SELECT UCASE(123);

What is UCASE() in SQL?

Converts a string to uppercase, equivalent to UPPER(). Returns the unchanged number if input is a number.