Топ-100
 
CerebroSQL

SIGN

База данных: MySQL

Topic

Syntax:
SIGN(X)

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

Example

mysql> SELECT SIGN(-32);
-> -1
mysql> SELECT SIGN(0);
-> 0
mysql> SELECT SIGN(234);
-> 1