LOG¶
Returns the natural logarithm value of a numeric expression
The natural logarithm is also known as ln or logarithm to the base of the mathematical constant e.
See also LOG10.
Syntax¶
LOG( expr )
Arguments¶
Parameter |
Description |
---|---|
|
Positive numeric expression |
Returns¶
Always returns a floating point result.
Notes¶
If the input value is NULL, the result is NULL.