The **`ABS()`** function returns the absolute value of a number. 

Figure 1 shows a mathematical representation of the `ABS()` function.

# Syntax
```sql
ABS(number)
```
# Parameter
The `ABS()` function takes a number as a parameter. 

# Return value
The `ABS()` function returns the `absolute value` of a number that is passed in as a parameter.  

# Code




-- negative number
SELECT ABS(-10);

-- 0
SELECT ABS(0);

-- positive number
SELECT ABS(10);

What is ABS() in SQL?

The ABS() function in SQL returns the absolute value of a given number.