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Shareware software
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
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