SIGN
Syntax
SIGN(X)
Description
Returns the sign of the argument as -1, 0, or 1, depending on whether X is negative, zero, or positive.
Examples
SELECT SIGN(-32); +-----------+ | SIGN(-32) | +-----------+ | -1 | +-----------+ SELECT SIGN(0); +---------+ | SIGN(0) | +---------+ | 0 | +---------+ SELECT SIGN(234); +-----------+ | SIGN(234) | +-----------+ | 1 | +-----------+
See Also
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