> ## Documentation Index
> Fetch the complete documentation index at: https://docs.firebolt.io/llms.txt
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> Reference material for LEAST function

# LEAST

The LEAST function selects the smallest value from a list of any number of expressions.
The expressions must all be convertible to a common data type, which will be the type of the result.
NULL values in the argument list are ignored. The result will be NULL only if all the expressions evaluate to NULL.

## Syntax

```sql theme={"theme":{"light":"css-variables","dark":"css-variables"}}
LEAST(<expression> [,...])
```

## Parameters

| Parameter      | Description                                 | Supported input types |
| :------------- | :------------------------------------------ | :-------------------- |
| `<expression>` | The expression(s) to select smallest value. | Any                   |

## Return Types

Same as input type

## Example

<div className="query-window">
  ```
  SELECT LEAST(NULL, 2^3, 3^2);
  ```

  | least <span>double null</span> |
  | :----------------------------- |
  | 8                              |

  <p><span>Rows: 1</span><span>Execution time: 5.43ms</span></p>
</div>