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The SIGN SQL Function in MySQL and MariaDB - Determine sign of value

SIGNSyntax:SIGN(Number)
Return value:INTEGER
Function type:Numeric function
Function Description

The SIGN() function returns the sign of "Number" as -1, 0, or 1, depending on whether the value of "Number" is negative, zero, or positive.

If the value of "Number" is not numeric, an attempt is made to cast it to a numeric type before evaluating the sign.

SIGN() returns NULL if the value of "Number" is NULL.

SQL Examples for the SIGN function

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select sign(45) as result;
select sign(-45) as result;
select sign(0) as result;
select sign(nullas result;

result
int(2)
1
result
int(2)
-1
result
int(2)
0
result
int(2)
NULL
The examples were created with the MyWAY SQL manager: Download

How to use the SIGN() function in MySQL and MariaDB databases

The SIGN() function in MySQL and MariaDB is used when values ​​need to be evaluated or categorized based on their sign. This can be useful in a number of ways, such as determining whether a number is positive or negative, comparing values ​​based on their signs, or performing conditional logic based on the sign of a value.
SHASHA1SHA2SIGNSINSLEEPSOUNDEX

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More information about the SIGN SQL function: mysql.com and mariadb.com and w3schools.com
Updated: 2023-09-24ImprintContactTerms & conditionsPrivacy & CookiesUpdatesSitemapFacebookLinkedinTwitterStatistics©2020-2024 Heino Cunze-Fischer