log
calculate natural logarithm of an expression
log
(in x double precision);
Description
log calculates the natural logarithm of its
argument and returns it as a IEEE 64-bit float.
Parameters
x –
double precision
Examples
Simple Examples
SQL> select concat ('the LOG of 0.513513 is: ', cast (log (0.513513) as varchar));
callret
VARCHAR
_______________________________________________________________________________
the LOG of 0.513513 is: -0.666480
1 Rows. -- 4 msec.