Example
Return the sign of a number:
SELECT SIGN(255.5);
Definition and Usage
The SIGN() function returns the sign of a number.
This function will return one of the following:
- If number > 0, it returns 1
- If number = 0, it returns 0
- If number < 0, it returns -1
Syntax
SIGN(number)
Parameter Values
| Parameter | Description |
|---|---|
| number | Required. The number to return the sign for |
Technical Details
| Works in: | From MySQL 4.0 |
|---|
More Examples
Example
Return the sign of a number:
SELECT SIGN(-12);