SQUARE
Returns the square value of a numeric expression (x2).
SQUARE(x)
is equivalent to POWER(x,2)
. See POWER.
Syntax
SQUARE( expr )
Arguments
Parameter |
Description |
---|---|
|
Numeric expression |
Returns
Always returns a floating point result
Notes
If the value is NULL, the result is NULL.
Examples
numbers=> SELECT SQUARE(3);
square
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9.0