> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/sql-functions/numeric-functions/sign.md).

# SIGN

## Syntax

```bnf
SIGN(X)
```

## Description

Returns the sign of the argument as -1, 0, or 1, depending on whether X is negative, zero, or positive.

## Examples

```sql
SELECT SIGN(-32);
+-----------+
| SIGN(-32) |
+-----------+
|        -1 |
+-----------+

SELECT SIGN(0);
+---------+
| SIGN(0) |
+---------+
|       0 |
+---------+

SELECT SIGN(234);
+-----------+
| SIGN(234) |
+-----------+
|         1 |
+-----------+
```

## See Also

* [ABS()](/docs/server/reference/sql-functions/numeric-functions/abs.md)

<sub>*This page is licensed: GPLv2, originally from*</sub> [<sub>*fill\_help\_tables.sql*</sub>](https://github.com/MariaDB/server/blob/main/scripts/fill_help_tables.sql)

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