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Returns the natural logarithm of a number. Not supported by UltraLite Java edition databases.
LOG( numeric-expression )
This function converts its argument to DOUBLE, performs the computation in double-precision floating-point arithmetic, and
returns a DOUBLE as the result. If the parameter is NULL, the result is NULL.
The argument is an expression that returns the value of any built-in numeric data type.
The following statement returns the natural logarithm of 50:
SELECT LOG( 50 );